Home / 156,995.10-216,577.06-93,287.80

Finding the Fourth Proportional to 156,995.10, 216,577.06 and 93,287.80

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Solution

The fourth proportional to 156,995.10, 216,577.06 and 93,287.80 is: 128,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,995.10 : 216,577.06 = 93,287.80 : x
  2. Step 2: Convert to fraction form
    156,995.10/216,577.06 = 93,287.80/x
  3. Step 3: Cross multiply
    156,995.10x = 216,577.06 × 93,287.80
  4. Step 4: Simplify right side
    156,995.10x = 20,203,997,457.87
  5. Step 5: Solve for x
    x = 20,203,997,457.87/156,995.10
  6. Step 6: Final answer
    x = 128,691.90

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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.