Home / 157,020.14-216,683.16-89,043.32

Finding the Fourth Proportional to 157,020.14, 216,683.16 and 89,043.32

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Solution

The fourth proportional to 157,020.14, 216,683.16 and 89,043.32 is: 122,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,020.14 : 216,683.16 = 89,043.32 : x
  2. Step 2: Convert to fraction form
    157,020.14/216,683.16 = 89,043.32/x
  3. Step 3: Cross multiply
    157,020.14x = 216,683.16 × 89,043.32
  4. Step 4: Simplify right side
    157,020.14x = 19,294,187,954.49
  5. Step 5: Solve for x
    x = 19,294,187,954.49/157,020.14
  6. Step 6: Final answer
    x = 122,877.15

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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.