Home / 142,527.38-213,853.08-89,341.24

Finding the Fourth Proportional to 142,527.38, 213,853.08 and 89,341.24

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Solution

The fourth proportional to 142,527.38, 213,853.08 and 89,341.24 is: 134,050.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,527.38 : 213,853.08 = 89,341.24 : x
  2. Step 2: Convert to fraction form
    142,527.38/213,853.08 = 89,341.24/x
  3. Step 3: Cross multiply
    142,527.38x = 213,853.08 × 89,341.24
  4. Step 4: Simplify right side
    142,527.38x = 19,105,899,345.02
  5. Step 5: Solve for x
    x = 19,105,899,345.02/142,527.38
  6. Step 6: Final answer
    x = 134,050.73

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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.