Home / 155,126.34-232,633.62-66,385.98

Finding the Fourth Proportional to 155,126.34, 232,633.62 and 66,385.98

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Solution

The fourth proportional to 155,126.34, 232,633.62 and 66,385.98 is: 99,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,126.34 : 232,633.62 = 66,385.98 : x
  2. Step 2: Convert to fraction form
    155,126.34/232,633.62 = 66,385.98/x
  3. Step 3: Cross multiply
    155,126.34x = 232,633.62 × 66,385.98
  4. Step 4: Simplify right side
    155,126.34x = 15,443,610,844.65
  5. Step 5: Solve for x
    x = 15,443,610,844.65/155,126.34
  6. Step 6: Final answer
    x = 99,555.05

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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.