Home / 156,980.80-216,557.38-93,273.49

Finding the Fourth Proportional to 156,980.80, 216,557.38 and 93,273.49

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Solution

The fourth proportional to 156,980.80, 216,557.38 and 93,273.49 is: 128,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.80 : 216,557.38 = 93,273.49 : x
  2. Step 2: Convert to fraction form
    156,980.80/216,557.38 = 93,273.49/x
  3. Step 3: Cross multiply
    156,980.80x = 216,557.38 × 93,273.49
  4. Step 4: Simplify right side
    156,980.80x = 20,199,063,005.14
  5. Step 5: Solve for x
    x = 20,199,063,005.14/156,980.80
  6. Step 6: Final answer
    x = 128,672.19

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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.