Home / 111,260.28-153,538.20-60,271.86

Finding the Fourth Proportional to 111,260.28, 153,538.20 and 60,271.86

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Solution

The fourth proportional to 111,260.28, 153,538.20 and 60,271.86 is: 83,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.28 : 153,538.20 = 60,271.86 : x
  2. Step 2: Convert to fraction form
    111,260.28/153,538.20 = 60,271.86/x
  3. Step 3: Cross multiply
    111,260.28x = 153,538.20 × 60,271.86
  4. Step 4: Simplify right side
    111,260.28x = 9,254,032,895.05
  5. Step 5: Solve for x
    x = 9,254,032,895.05/111,260.28
  6. Step 6: Final answer
    x = 83,174.63

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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.