Home / 157,201.61-216,901.33-89,203.19

Finding the Fourth Proportional to 157,201.61, 216,901.33 and 89,203.19

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Solution

The fourth proportional to 157,201.61, 216,901.33 and 89,203.19 is: 123,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,201.61 : 216,901.33 = 89,203.19 : x
  2. Step 2: Convert to fraction form
    157,201.61/216,901.33 = 89,203.19/x
  3. Step 3: Cross multiply
    157,201.61x = 216,901.33 × 89,203.19
  4. Step 4: Simplify right side
    157,201.61x = 19,348,289,243.73
  5. Step 5: Solve for x
    x = 19,348,289,243.73/157,201.61
  6. Step 6: Final answer
    x = 123,079.46

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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.