Home / 319,707.63-441,165.06-176,458.38

Finding the Fourth Proportional to 319,707.63, 441,165.06 and 176,458.38

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Solution

The fourth proportional to 319,707.63, 441,165.06 and 176,458.38 is: 243,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.63 : 441,165.06 = 176,458.38 : x
  2. Step 2: Convert to fraction form
    319,707.63/441,165.06 = 176,458.38/x
  3. Step 3: Cross multiply
    319,707.63x = 441,165.06 × 176,458.38
  4. Step 4: Simplify right side
    319,707.63x = 77,847,271,800.20
  5. Step 5: Solve for x
    x = 77,847,271,800.20/319,707.63
  6. Step 6: Final answer
    x = 243,495.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.