Home / 111,133.70-153,364.86-60,146.42

Finding the Fourth Proportional to 111,133.70, 153,364.86 and 60,146.42

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Solution

The fourth proportional to 111,133.70, 153,364.86 and 60,146.42 is: 83,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,133.70 : 153,364.86 = 60,146.42 : x
  2. Step 2: Convert to fraction form
    111,133.70/153,364.86 = 60,146.42/x
  3. Step 3: Cross multiply
    111,133.70x = 153,364.86 × 60,146.42
  4. Step 4: Simplify right side
    111,133.70x = 9,224,346,515.98
  5. Step 5: Solve for x
    x = 9,224,346,515.98/111,133.70
  6. Step 6: Final answer
    x = 83,002.24

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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.