Home / 111,137.06-153,369.34-60,149.84

Finding the Fourth Proportional to 111,137.06, 153,369.34 and 60,149.84

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Solution

The fourth proportional to 111,137.06, 153,369.34 and 60,149.84 is: 83,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,137.06 : 153,369.34 = 60,149.84 : x
  2. Step 2: Convert to fraction form
    111,137.06/153,369.34 = 60,149.84/x
  3. Step 3: Cross multiply
    111,137.06x = 153,369.34 × 60,149.84
  4. Step 4: Simplify right side
    111,137.06x = 9,225,141,261.91
  5. Step 5: Solve for x
    x = 9,225,141,261.91/111,137.06
  6. Step 6: Final answer
    x = 83,006.89

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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.