Home / 113,650.20-156,829.14-65,895.48

Finding the Fourth Proportional to 113,650.20, 156,829.14 and 65,895.48

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Solution

The fourth proportional to 113,650.20, 156,829.14 and 65,895.48 is: 90,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,650.20 : 156,829.14 = 65,895.48 : x
  2. Step 2: Convert to fraction form
    113,650.20/156,829.14 = 65,895.48/x
  3. Step 3: Cross multiply
    113,650.20x = 156,829.14 × 65,895.48
  4. Step 4: Simplify right side
    113,650.20x = 10,334,331,458.29
  5. Step 5: Solve for x
    x = 10,334,331,458.29/113,650.20
  6. Step 6: Final answer
    x = 90,931.05

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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.