Home / 121,937.10-182,924.63-72,053.15

Finding the Fourth Proportional to 121,937.10, 182,924.63 and 72,053.15

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Solution

The fourth proportional to 121,937.10, 182,924.63 and 72,053.15 is: 108,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,937.10 : 182,924.63 = 72,053.15 : x
  2. Step 2: Convert to fraction form
    121,937.10/182,924.63 = 72,053.15/x
  3. Step 3: Cross multiply
    121,937.10x = 182,924.63 × 72,053.15
  4. Step 4: Simplify right side
    121,937.10x = 13,180,294,799.39
  5. Step 5: Solve for x
    x = 13,180,294,799.39/121,937.10
  6. Step 6: Final answer
    x = 108,090.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.