Home / 113,838.91-157,085.76-66,082.93

Finding the Fourth Proportional to 113,838.91, 157,085.76 and 66,082.93

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Solution

The fourth proportional to 113,838.91, 157,085.76 and 66,082.93 is: 91,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,838.91 : 157,085.76 = 66,082.93 : x
  2. Step 2: Convert to fraction form
    113,838.91/157,085.76 = 66,082.93/x
  3. Step 3: Cross multiply
    113,838.91x = 157,085.76 × 66,082.93
  4. Step 4: Simplify right side
    113,838.91x = 10,380,687,137.17
  5. Step 5: Solve for x
    x = 10,380,687,137.17/113,838.91
  6. Step 6: Final answer
    x = 91,187.52

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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.