Home / 111,161.40-153,402.57-60,173.88

Finding the Fourth Proportional to 111,161.40, 153,402.57 and 60,173.88

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Solution

The fourth proportional to 111,161.40, 153,402.57 and 60,173.88 is: 83,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,161.40 : 153,402.57 = 60,173.88 : x
  2. Step 2: Convert to fraction form
    111,161.40/153,402.57 = 60,173.88/x
  3. Step 3: Cross multiply
    111,161.40x = 153,402.57 × 60,173.88
  4. Step 4: Simplify right side
    111,161.40x = 9,230,827,838.87
  5. Step 5: Solve for x
    x = 9,230,827,838.87/111,161.40
  6. Step 6: Final answer
    x = 83,039.87

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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.