Home / 157,426.40-236,139.60-57,589.86

Finding the Fourth Proportional to 157,426.40, 236,139.60 and 57,589.86

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Solution

The fourth proportional to 157,426.40, 236,139.60 and 57,589.86 is: 86,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426.40 : 236,139.60 = 57,589.86 : x
  2. Step 2: Convert to fraction form
    157,426.40/236,139.60 = 57,589.86/x
  3. Step 3: Cross multiply
    157,426.40x = 236,139.60 × 57,589.86
  4. Step 4: Simplify right side
    157,426.40x = 13,599,246,504.46
  5. Step 5: Solve for x
    x = 13,599,246,504.46/157,426.40
  6. Step 6: Final answer
    x = 86,384.79

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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.