Home / 113,178.09-156,187.76-62,193.05

Finding the Fourth Proportional to 113,178.09, 156,187.76 and 62,193.05

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Solution

The fourth proportional to 113,178.09, 156,187.76 and 62,193.05 is: 85,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,178.09 : 156,187.76 = 62,193.05 : x
  2. Step 2: Convert to fraction form
    113,178.09/156,187.76 = 62,193.05/x
  3. Step 3: Cross multiply
    113,178.09x = 156,187.76 × 62,193.05
  4. Step 4: Simplify right side
    113,178.09x = 9,713,793,167.07
  5. Step 5: Solve for x
    x = 9,713,793,167.07/113,178.09
  6. Step 6: Final answer
    x = 85,827.51

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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.