Home / 111,165.40-153,407.21-60,176.82

Finding the Fourth Proportional to 111,165.40, 153,407.21 and 60,176.82

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Solution

The fourth proportional to 111,165.40, 153,407.21 and 60,176.82 is: 83,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,165.40 : 153,407.21 = 60,176.82 : x
  2. Step 2: Convert to fraction form
    111,165.40/153,407.21 = 60,176.82/x
  3. Step 3: Cross multiply
    111,165.40x = 153,407.21 × 60,176.82
  4. Step 4: Simplify right side
    111,165.40x = 9,231,557,761.99
  5. Step 5: Solve for x
    x = 9,231,557,761.99/111,165.40
  6. Step 6: Final answer
    x = 83,043.45

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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.