Home / 124,168.40-186,254.38-35,421.91

Finding the Fourth Proportional to 124,168.40, 186,254.38 and 35,421.91

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Solution

The fourth proportional to 124,168.40, 186,254.38 and 35,421.91 is: 53,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,168.40 : 186,254.38 = 35,421.91 : x
  2. Step 2: Convert to fraction form
    124,168.40/186,254.38 = 35,421.91/x
  3. Step 3: Cross multiply
    124,168.40x = 186,254.38 × 35,421.91
  4. Step 4: Simplify right side
    124,168.40x = 6,597,486,439.66
  5. Step 5: Solve for x
    x = 6,597,486,439.66/124,168.40
  6. Step 6: Final answer
    x = 53,133.38

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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.