Home / 157,256.10-217,016.01-85,637.52

Finding the Fourth Proportional to 157,256.10, 217,016.01 and 85,637.52

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Solution

The fourth proportional to 157,256.10, 217,016.01 and 85,637.52 is: 118,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,256.10 : 217,016.01 = 85,637.52 : x
  2. Step 2: Convert to fraction form
    157,256.10/217,016.01 = 85,637.52/x
  3. Step 3: Cross multiply
    157,256.10x = 217,016.01 × 85,637.52
  4. Step 4: Simplify right side
    157,256.10x = 18,584,712,896.70
  5. Step 5: Solve for x
    x = 18,584,712,896.70/157,256.10
  6. Step 6: Final answer
    x = 118,181.19

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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.