Home / 113,421.54-156,520.53-62,433.18

Finding the Fourth Proportional to 113,421.54, 156,520.53 and 62,433.18

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Solution

The fourth proportional to 113,421.54, 156,520.53 and 62,433.18 is: 86,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421.54 : 156,520.53 = 62,433.18 : x
  2. Step 2: Convert to fraction form
    113,421.54/156,520.53 = 62,433.18/x
  3. Step 3: Cross multiply
    113,421.54x = 156,520.53 × 62,433.18
  4. Step 4: Simplify right side
    113,421.54x = 9,772,074,247.59
  5. Step 5: Solve for x
    x = 9,772,074,247.59/113,421.54
  6. Step 6: Final answer
    x = 86,157.13

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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.