Home / 189,252.92-261,187.44-141,423.20

Finding the Fourth Proportional to 189,252.92, 261,187.44 and 141,423.20

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Solution

The fourth proportional to 189,252.92, 261,187.44 and 141,423.20 is: 195,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,252.92 : 261,187.44 = 141,423.20 : x
  2. Step 2: Convert to fraction form
    189,252.92/261,187.44 = 141,423.20/x
  3. Step 3: Cross multiply
    189,252.92x = 261,187.44 × 141,423.20
  4. Step 4: Simplify right side
    189,252.92x = 36,937,963,564.61
  5. Step 5: Solve for x
    x = 36,937,963,564.61/189,252.92
  6. Step 6: Final answer
    x = 195,177.77

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1.5x scale

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.