Home / 369,645.12-554,468.29-89,162.37

Finding the Fourth Proportional to 369,645.12, 554,468.29 and 89,162.37

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Solution

The fourth proportional to 369,645.12, 554,468.29 and 89,162.37 is: 133,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,645.12 : 554,468.29 = 89,162.37 : x
  2. Step 2: Convert to fraction form
    369,645.12/554,468.29 = 89,162.37/x
  3. Step 3: Cross multiply
    369,645.12x = 554,468.29 × 89,162.37
  4. Step 4: Simplify right side
    369,645.12x = 49,437,706,603.34
  5. Step 5: Solve for x
    x = 49,437,706,603.34/369,645.12
  6. Step 6: Final answer
    x = 133,743.70

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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.