Home / 124,206.52-186,365.15-45,302.30

Finding the Fourth Proportional to 124,206.52, 186,365.15 and 45,302.30

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Solution

The fourth proportional to 124,206.52, 186,365.15 and 45,302.30 is: 67,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,206.52 : 186,365.15 = 45,302.30 : x
  2. Step 2: Convert to fraction form
    124,206.52/186,365.15 = 45,302.30/x
  3. Step 3: Cross multiply
    124,206.52x = 186,365.15 × 45,302.30
  4. Step 4: Simplify right side
    124,206.52x = 8,442,768,990.98
  5. Step 5: Solve for x
    x = 8,442,768,990.98/124,206.52
  6. Step 6: Final answer
    x = 67,973.64

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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.