Home / 435,345.30-652,658.04-165,417.57

Finding the Fourth Proportional to 435,345.30, 652,658.04 and 165,417.57

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Solution

The fourth proportional to 435,345.30, 652,658.04 and 165,417.57 is: 247,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,345.30 : 652,658.04 = 165,417.57 : x
  2. Step 2: Convert to fraction form
    435,345.30/652,658.04 = 165,417.57/x
  3. Step 3: Cross multiply
    435,345.30x = 652,658.04 × 165,417.57
  4. Step 4: Simplify right side
    435,345.30x = 107,961,107,017.76
  5. Step 5: Solve for x
    x = 107,961,107,017.76/435,345.30
  6. Step 6: Final answer
    x = 247,989.60

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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.