Home / 111,174.84-153,421.09-60,187.55

Finding the Fourth Proportional to 111,174.84, 153,421.09 and 60,187.55

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Solution

The fourth proportional to 111,174.84, 153,421.09 and 60,187.55 is: 83,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174.84 : 153,421.09 = 60,187.55 : x
  2. Step 2: Convert to fraction form
    111,174.84/153,421.09 = 60,187.55/x
  3. Step 3: Cross multiply
    111,174.84x = 153,421.09 × 60,187.55
  4. Step 4: Simplify right side
    111,174.84x = 9,234,039,525.43
  5. Step 5: Solve for x
    x = 9,234,039,525.43/111,174.84
  6. Step 6: Final answer
    x = 83,058.72

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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.