Home / 170,955.72-256,458.60-52,637.40

Finding the Fourth Proportional to 170,955.72, 256,458.60 and 52,637.40

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Solution

The fourth proportional to 170,955.72, 256,458.60 and 52,637.40 is: 78,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,955.72 : 256,458.60 = 52,637.40 : x
  2. Step 2: Convert to fraction form
    170,955.72/256,458.60 = 52,637.40/x
  3. Step 3: Cross multiply
    170,955.72x = 256,458.60 × 52,637.40
  4. Step 4: Simplify right side
    170,955.72x = 13,499,313,911.64
  5. Step 5: Solve for x
    x = 13,499,313,911.64/170,955.72
  6. Step 6: Final answer
    x = 78,963.80

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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.