Home / 113,189.52-156,136.49-70,674.24

Finding the Fourth Proportional to 113,189.52, 156,136.49 and 70,674.24

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Solution

The fourth proportional to 113,189.52, 156,136.49 and 70,674.24 is: 97,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,189.52 : 156,136.49 = 70,674.24 : x
  2. Step 2: Convert to fraction form
    113,189.52/156,136.49 = 70,674.24/x
  3. Step 3: Cross multiply
    113,189.52x = 156,136.49 × 70,674.24
  4. Step 4: Simplify right side
    113,189.52x = 11,034,827,767.02
  5. Step 5: Solve for x
    x = 11,034,827,767.02/113,189.52
  6. Step 6: Final answer
    x = 97,489.84

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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.