Home / 153,776.15-230,585.23-69,490.66

Finding the Fourth Proportional to 153,776.15, 230,585.23 and 69,490.66

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Solution

The fourth proportional to 153,776.15, 230,585.23 and 69,490.66 is: 104,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,776.15 : 230,585.23 = 69,490.66 : x
  2. Step 2: Convert to fraction form
    153,776.15/230,585.23 = 69,490.66/x
  3. Step 3: Cross multiply
    153,776.15x = 230,585.23 × 69,490.66
  4. Step 4: Simplify right side
    153,776.15x = 16,023,519,761.70
  5. Step 5: Solve for x
    x = 16,023,519,761.70/153,776.15
  6. Step 6: Final answer
    x = 104,200.29

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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.