Home / 111,764.64-154,237.04-60,778.38

Finding the Fourth Proportional to 111,764.64, 154,237.04 and 60,778.38

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Solution

The fourth proportional to 111,764.64, 154,237.04 and 60,778.38 is: 83,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,764.64 : 154,237.04 = 60,778.38 : x
  2. Step 2: Convert to fraction form
    111,764.64/154,237.04 = 60,778.38/x
  3. Step 3: Cross multiply
    111,764.64x = 154,237.04 × 60,778.38
  4. Step 4: Simplify right side
    111,764.64x = 9,374,277,123.30
  5. Step 5: Solve for x
    x = 9,374,277,123.30/111,764.64
  6. Step 6: Final answer
    x = 83,875.16

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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.