Home / 266,193.12-398,653.13-153,531.77

Finding the Fourth Proportional to 266,193.12, 398,653.13 and 153,531.77

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Solution

The fourth proportional to 266,193.12, 398,653.13 and 153,531.77 is: 229,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,193.12 : 398,653.13 = 153,531.77 : x
  2. Step 2: Convert to fraction form
    266,193.12/398,653.13 = 153,531.77/x
  3. Step 3: Cross multiply
    266,193.12x = 398,653.13 × 153,531.77
  4. Step 4: Simplify right side
    266,193.12x = 61,205,917,904.02
  5. Step 5: Solve for x
    x = 61,205,917,904.02/266,193.12
  6. Step 6: Final answer
    x = 229,930.50

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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.