Home / 111,761.19-154,232.28-60,774.93

Finding the Fourth Proportional to 111,761.19, 154,232.28 and 60,774.93

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Solution

The fourth proportional to 111,761.19, 154,232.28 and 60,774.93 is: 83,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,761.19 : 154,232.28 = 60,774.93 : x
  2. Step 2: Convert to fraction form
    111,761.19/154,232.28 = 60,774.93/x
  3. Step 3: Cross multiply
    111,761.19x = 154,232.28 × 60,774.93
  4. Step 4: Simplify right side
    111,761.19x = 9,373,456,020.74
  5. Step 5: Solve for x
    x = 9,373,456,020.74/111,761.19
  6. Step 6: Final answer
    x = 83,870.40

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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.