Home / 239,180.04-330,070.14-137,209.95

Finding the Fourth Proportional to 239,180.04, 330,070.14 and 137,209.95

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Solution

The fourth proportional to 239,180.04, 330,070.14 and 137,209.95 is: 189,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,180.04 : 330,070.14 = 137,209.95 : x
  2. Step 2: Convert to fraction form
    239,180.04/330,070.14 = 137,209.95/x
  3. Step 3: Cross multiply
    239,180.04x = 330,070.14 × 137,209.95
  4. Step 4: Simplify right side
    239,180.04x = 45,288,907,405.89
  5. Step 5: Solve for x
    x = 45,288,907,405.89/239,180.04
  6. Step 6: Final answer
    x = 189,350.70

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1.5x scale

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.