Home / 111,178.19-153,424.80-60,189.57

Finding the Fourth Proportional to 111,178.19, 153,424.80 and 60,189.57

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Solution

The fourth proportional to 111,178.19, 153,424.80 and 60,189.57 is: 83,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,178.19 : 153,424.80 = 60,189.57 : x
  2. Step 2: Convert to fraction form
    111,178.19/153,424.80 = 60,189.57/x
  3. Step 3: Cross multiply
    111,178.19x = 153,424.80 × 60,189.57
  4. Step 4: Simplify right side
    111,178.19x = 9,234,572,739.34
  5. Step 5: Solve for x
    x = 9,234,572,739.34/111,178.19
  6. Step 6: Final answer
    x = 83,061.01

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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.