Home / 113,392.24-156,500.48-65,674.60

Finding the Fourth Proportional to 113,392.24, 156,500.48 and 65,674.60

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Solution

The fourth proportional to 113,392.24, 156,500.48 and 65,674.60 is: 90,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,392.24 : 156,500.48 = 65,674.60 : x
  2. Step 2: Convert to fraction form
    113,392.24/156,500.48 = 65,674.60/x
  3. Step 3: Cross multiply
    113,392.24x = 156,500.48 × 65,674.60
  4. Step 4: Simplify right side
    113,392.24x = 10,278,106,423.81
  5. Step 5: Solve for x
    x = 10,278,106,423.81/113,392.24
  6. Step 6: Final answer
    x = 90,642.06

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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.