Home / 157,084.92-216,780.96-89,106.48

Finding the Fourth Proportional to 157,084.92, 216,780.96 and 89,106.48

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Solution

The fourth proportional to 157,084.92, 216,780.96 and 89,106.48 is: 122,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,084.92 : 216,780.96 = 89,106.48 : x
  2. Step 2: Convert to fraction form
    157,084.92/216,780.96 = 89,106.48/x
  3. Step 3: Cross multiply
    157,084.92x = 216,780.96 × 89,106.48
  4. Step 4: Simplify right side
    157,084.92x = 19,316,588,276.62
  5. Step 5: Solve for x
    x = 19,316,588,276.62/157,084.92
  6. Step 6: Final answer
    x = 122,969.08

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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.