Home / 156,983.46-216,561.03-93,276.15

Finding the Fourth Proportional to 156,983.46, 216,561.03 and 93,276.15

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Solution

The fourth proportional to 156,983.46, 216,561.03 and 93,276.15 is: 128,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,983.46 : 216,561.03 = 93,276.15 : x
  2. Step 2: Convert to fraction form
    156,983.46/216,561.03 = 93,276.15/x
  3. Step 3: Cross multiply
    156,983.46x = 216,561.03 × 93,276.15
  4. Step 4: Simplify right side
    156,983.46x = 20,199,979,118.43
  5. Step 5: Solve for x
    x = 20,199,979,118.43/156,983.46
  6. Step 6: Final answer
    x = 128,675.84

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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.