Home / 125,545.46-188,289.39-74,958.74

Finding the Fourth Proportional to 125,545.46, 188,289.39 and 74,958.74

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Solution

The fourth proportional to 125,545.46, 188,289.39 and 74,958.74 is: 112,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,545.46 : 188,289.39 = 74,958.74 : x
  2. Step 2: Convert to fraction form
    125,545.46/188,289.39 = 74,958.74/x
  3. Step 3: Cross multiply
    125,545.46x = 188,289.39 × 74,958.74
  4. Step 4: Simplify right side
    125,545.46x = 14,113,935,429.77
  5. Step 5: Solve for x
    x = 14,113,935,429.77/125,545.46
  6. Step 6: Final answer
    x = 112,420.91

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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.