Home / 113,964.30-157,246.38-66,192.93

Finding the Fourth Proportional to 113,964.30, 157,246.38 and 66,192.93

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Solution

The fourth proportional to 113,964.30, 157,246.38 and 66,192.93 is: 91,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,964.30 : 157,246.38 = 66,192.93 : x
  2. Step 2: Convert to fraction form
    113,964.30/157,246.38 = 66,192.93/x
  3. Step 3: Cross multiply
    113,964.30x = 157,246.38 × 66,192.93
  4. Step 4: Simplify right side
    113,964.30x = 10,408,598,624.09
  5. Step 5: Solve for x
    x = 10,408,598,624.09/113,964.30
  6. Step 6: Final answer
    x = 91,332.10

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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.