Home / 119,154.87-164,433.08-64,706.57

Finding the Fourth Proportional to 119,154.87, 164,433.08 and 64,706.57

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Solution

The fourth proportional to 119,154.87, 164,433.08 and 64,706.57 is: 89,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,154.87 : 164,433.08 = 64,706.57 : x
  2. Step 2: Convert to fraction form
    119,154.87/164,433.08 = 64,706.57/x
  3. Step 3: Cross multiply
    119,154.87x = 164,433.08 × 64,706.57
  4. Step 4: Simplify right side
    119,154.87x = 10,639,900,006.60
  5. Step 5: Solve for x
    x = 10,639,900,006.60/119,154.87
  6. Step 6: Final answer
    x = 89,294.72

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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.