Home / 154,140.65-231,070.85-59,310.35

Finding the Fourth Proportional to 154,140.65, 231,070.85 and 59,310.35

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Solution

The fourth proportional to 154,140.65, 231,070.85 and 59,310.35 is: 88,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,140.65 : 231,070.85 = 59,310.35 : x
  2. Step 2: Convert to fraction form
    154,140.65/231,070.85 = 59,310.35/x
  3. Step 3: Cross multiply
    154,140.65x = 231,070.85 × 59,310.35
  4. Step 4: Simplify right side
    154,140.65x = 13,704,892,988.30
  5. Step 5: Solve for x
    x = 13,704,892,988.30/154,140.65
  6. Step 6: Final answer
    x = 88,911.61

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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.