Home / 133,002.23-183,545.71-72,574.52

Finding the Fourth Proportional to 133,002.23, 183,545.71 and 72,574.52

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Solution

The fourth proportional to 133,002.23, 183,545.71 and 72,574.52 is: 100,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,002.23 : 183,545.71 = 72,574.52 : x
  2. Step 2: Convert to fraction form
    133,002.23/183,545.71 = 72,574.52/x
  3. Step 3: Cross multiply
    133,002.23x = 183,545.71 × 72,574.52
  4. Step 4: Simplify right side
    133,002.23x = 13,320,740,702.14
  5. Step 5: Solve for x
    x = 13,320,740,702.14/133,002.23
  6. Step 6: Final answer
    x = 100,154.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.