Home / 113,416.48-156,504.56-65,673.08

Finding the Fourth Proportional to 113,416.48, 156,504.56 and 65,673.08

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Solution

The fourth proportional to 113,416.48, 156,504.56 and 65,673.08 is: 90,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,416.48 : 156,504.56 = 65,673.08 : x
  2. Step 2: Convert to fraction form
    113,416.48/156,504.56 = 65,673.08/x
  3. Step 3: Cross multiply
    113,416.48x = 156,504.56 × 65,673.08
  4. Step 4: Simplify right side
    113,416.48x = 10,278,136,489.24
  5. Step 5: Solve for x
    x = 10,278,136,489.24/113,416.48
  6. Step 6: Final answer
    x = 90,622.95

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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.