Home / 113,415.73-156,514.27-62,433.59

Finding the Fourth Proportional to 113,415.73, 156,514.27 and 62,433.59

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Solution

The fourth proportional to 113,415.73, 156,514.27 and 62,433.59 is: 86,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415.73 : 156,514.27 = 62,433.59 : x
  2. Step 2: Convert to fraction form
    113,415.73/156,514.27 = 62,433.59/x
  3. Step 3: Cross multiply
    113,415.73x = 156,514.27 × 62,433.59
  4. Step 4: Simplify right side
    113,415.73x = 9,771,746,823.67
  5. Step 5: Solve for x
    x = 9,771,746,823.67/113,415.73
  6. Step 6: Final answer
    x = 86,158.66

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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.