Home / 111,142.14-153,374.82-60,153.66

Finding the Fourth Proportional to 111,142.14, 153,374.82 and 60,153.66

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Solution

The fourth proportional to 111,142.14, 153,374.82 and 60,153.66 is: 83,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,142.14 : 153,374.82 = 60,153.66 : x
  2. Step 2: Convert to fraction form
    111,142.14/153,374.82 = 60,153.66/x
  3. Step 3: Cross multiply
    111,142.14x = 153,374.82 × 60,153.66
  4. Step 4: Simplify right side
    111,142.14x = 9,226,056,774.84
  5. Step 5: Solve for x
    x = 9,226,056,774.84/111,142.14
  6. Step 6: Final answer
    x = 83,011.33

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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.