Home / 457,312.30-685,968.45-141,801.10

Finding the Fourth Proportional to 457,312.30, 685,968.45 and 141,801.10

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Solution

The fourth proportional to 457,312.30, 685,968.45 and 141,801.10 is: 212,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,312.30 : 685,968.45 = 141,801.10 : x
  2. Step 2: Convert to fraction form
    457,312.30/685,968.45 = 141,801.10/x
  3. Step 3: Cross multiply
    457,312.30x = 685,968.45 × 141,801.10
  4. Step 4: Simplify right side
    457,312.30x = 97,271,080,775.30
  5. Step 5: Solve for x
    x = 97,271,080,775.30/457,312.30
  6. Step 6: Final answer
    x = 212,701.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.