Home / 435,574.19-653,385.89-155,091.44

Finding the Fourth Proportional to 435,574.19, 653,385.89 and 155,091.44

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Solution

The fourth proportional to 435,574.19, 653,385.89 and 155,091.44 is: 232,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,574.19 : 653,385.89 = 155,091.44 : x
  2. Step 2: Convert to fraction form
    435,574.19/653,385.89 = 155,091.44/x
  3. Step 3: Cross multiply
    435,574.19x = 653,385.89 × 155,091.44
  4. Step 4: Simplify right side
    435,574.19x = 101,334,558,555.78
  5. Step 5: Solve for x
    x = 101,334,558,555.78/435,574.19
  6. Step 6: Final answer
    x = 232,645.92

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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.