Home / 113,179.49-156,178.35-62,189.59

Finding the Fourth Proportional to 113,179.49, 156,178.35 and 62,189.59

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Solution

The fourth proportional to 113,179.49, 156,178.35 and 62,189.59 is: 85,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,179.49 : 156,178.35 = 62,189.59 : x
  2. Step 2: Convert to fraction form
    113,179.49/156,178.35 = 62,189.59/x
  3. Step 3: Cross multiply
    113,179.49x = 156,178.35 × 62,189.59
  4. Step 4: Simplify right side
    113,179.49x = 9,712,666,617.01
  5. Step 5: Solve for x
    x = 9,712,666,617.01/113,179.49
  6. Step 6: Final answer
    x = 85,816.49

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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.