Home / 156,055.40-233,984.68-85,983.92

Finding the Fourth Proportional to 156,055.40, 233,984.68 and 85,983.92

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Solution

The fourth proportional to 156,055.40, 233,984.68 and 85,983.92 is: 128,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,055.40 : 233,984.68 = 85,983.92 : x
  2. Step 2: Convert to fraction form
    156,055.40/233,984.68 = 85,983.92/x
  3. Step 3: Cross multiply
    156,055.40x = 233,984.68 × 85,983.92
  4. Step 4: Simplify right side
    156,055.40x = 20,118,920,006.35
  5. Step 5: Solve for x
    x = 20,118,920,006.35/156,055.40
  6. Step 6: Final answer
    x = 128,921.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.