Home / 113,178.56-156,186.08-62,194.64

Finding the Fourth Proportional to 113,178.56, 156,186.08 and 62,194.64

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Solution

The fourth proportional to 113,178.56, 156,186.08 and 62,194.64 is: 85,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,178.56 : 156,186.08 = 62,194.64 : x
  2. Step 2: Convert to fraction form
    113,178.56/156,186.08 = 62,194.64/x
  3. Step 3: Cross multiply
    113,178.56x = 156,186.08 × 62,194.64
  4. Step 4: Simplify right side
    113,178.56x = 9,713,937,018.61
  5. Step 5: Solve for x
    x = 9,713,937,018.61/113,178.56
  6. Step 6: Final answer
    x = 85,828.42

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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.