Home / 137,277.03-205,834.15-42,479.14

Finding the Fourth Proportional to 137,277.03, 205,834.15 and 42,479.14

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Solution

The fourth proportional to 137,277.03, 205,834.15 and 42,479.14 is: 63,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,277.03 : 205,834.15 = 42,479.14 : x
  2. Step 2: Convert to fraction form
    137,277.03/205,834.15 = 42,479.14/x
  3. Step 3: Cross multiply
    137,277.03x = 205,834.15 × 42,479.14
  4. Step 4: Simplify right side
    137,277.03x = 8,743,657,674.63
  5. Step 5: Solve for x
    x = 8,743,657,674.63/137,277.03
  6. Step 6: Final answer
    x = 63,693.52

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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.