Home / 113,292.77-156,326.50-65,550.57

Finding the Fourth Proportional to 113,292.77, 156,326.50 and 65,550.57

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Solution

The fourth proportional to 113,292.77, 156,326.50 and 65,550.57 is: 90,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,292.77 : 156,326.50 = 65,550.57 : x
  2. Step 2: Convert to fraction form
    113,292.77/156,326.50 = 65,550.57/x
  3. Step 3: Cross multiply
    113,292.77x = 156,326.50 × 65,550.57
  4. Step 4: Simplify right side
    113,292.77x = 10,247,291,181.11
  5. Step 5: Solve for x
    x = 10,247,291,181.11/113,292.77
  6. Step 6: Final answer
    x = 90,449.65

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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.