Home / 113,356.26-156,421.98-65,612.52

Finding the Fourth Proportional to 113,356.26, 156,421.98 and 65,612.52

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Solution

The fourth proportional to 113,356.26, 156,421.98 and 65,612.52 is: 90,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,356.26 : 156,421.98 = 65,612.52 : x
  2. Step 2: Convert to fraction form
    113,356.26/156,421.98 = 65,612.52/x
  3. Step 3: Cross multiply
    113,356.26x = 156,421.98 × 65,612.52
  4. Step 4: Simplify right side
    113,356.26x = 10,263,240,291.19
  5. Step 5: Solve for x
    x = 10,263,240,291.19/113,356.26
  6. Step 6: Final answer
    x = 90,539.69

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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.