Home / 156,902.28-235,221.13-68,088.88

Finding the Fourth Proportional to 156,902.28, 235,221.13 and 68,088.88

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Solution

The fourth proportional to 156,902.28, 235,221.13 and 68,088.88 is: 102,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.28 : 235,221.13 = 68,088.88 : x
  2. Step 2: Convert to fraction form
    156,902.28/235,221.13 = 68,088.88/x
  3. Step 3: Cross multiply
    156,902.28x = 235,221.13 × 68,088.88
  4. Step 4: Simplify right side
    156,902.28x = 16,015,943,294.03
  5. Step 5: Solve for x
    x = 16,015,943,294.03/156,902.28
  6. Step 6: Final answer
    x = 102,075.91

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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.