Home / 119,265.70-178,812.60-60,143.08

Finding the Fourth Proportional to 119,265.70, 178,812.60 and 60,143.08

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Solution

The fourth proportional to 119,265.70, 178,812.60 and 60,143.08 is: 90,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,265.70 : 178,812.60 = 60,143.08 : x
  2. Step 2: Convert to fraction form
    119,265.70/178,812.60 = 60,143.08/x
  3. Step 3: Cross multiply
    119,265.70x = 178,812.60 × 60,143.08
  4. Step 4: Simplify right side
    119,265.70x = 10,754,340,506.81
  5. Step 5: Solve for x
    x = 10,754,340,506.81/119,265.70
  6. Step 6: Final answer
    x = 90,171.28

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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.