Home / 156,311.65-234,275.12-88,900.26

Finding the Fourth Proportional to 156,311.65, 234,275.12 and 88,900.26

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Solution

The fourth proportional to 156,311.65, 234,275.12 and 88,900.26 is: 133,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,311.65 : 234,275.12 = 88,900.26 : x
  2. Step 2: Convert to fraction form
    156,311.65/234,275.12 = 88,900.26/x
  3. Step 3: Cross multiply
    156,311.65x = 234,275.12 × 88,900.26
  4. Step 4: Simplify right side
    156,311.65x = 20,827,118,089.87
  5. Step 5: Solve for x
    x = 20,827,118,089.87/156,311.65
  6. Step 6: Final answer
    x = 133,240.98

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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.