Home / 113,341.52-156,444.24-75,615.68

Finding the Fourth Proportional to 113,341.52, 156,444.24 and 75,615.68

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Solution

The fourth proportional to 113,341.52, 156,444.24 and 75,615.68 is: 104,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,341.52 : 156,444.24 = 75,615.68 : x
  2. Step 2: Convert to fraction form
    113,341.52/156,444.24 = 75,615.68/x
  3. Step 3: Cross multiply
    113,341.52x = 156,444.24 × 75,615.68
  4. Step 4: Simplify right side
    113,341.52x = 11,829,637,589.68
  5. Step 5: Solve for x
    x = 11,829,637,589.68/113,341.52
  6. Step 6: Final answer
    x = 104,371.62

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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.