Home / 157,549.16-217,417.82-85,929.18

Finding the Fourth Proportional to 157,549.16, 217,417.82 and 85,929.18

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Solution

The fourth proportional to 157,549.16, 217,417.82 and 85,929.18 is: 118,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,549.16 : 217,417.82 = 85,929.18 : x
  2. Step 2: Convert to fraction form
    157,549.16/217,417.82 = 85,929.18/x
  3. Step 3: Cross multiply
    157,549.16x = 217,417.82 × 85,929.18
  4. Step 4: Simplify right side
    157,549.16x = 18,682,534,560.34
  5. Step 5: Solve for x
    x = 18,682,534,560.34/157,549.16
  6. Step 6: Final answer
    x = 118,582.26

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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.