Home / 209,695.15-289,387.50-119,059.54

Finding the Fourth Proportional to 209,695.15, 289,387.50 and 119,059.54

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Solution

The fourth proportional to 209,695.15, 289,387.50 and 119,059.54 is: 164,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,695.15 : 289,387.50 = 119,059.54 : x
  2. Step 2: Convert to fraction form
    209,695.15/289,387.50 = 119,059.54/x
  3. Step 3: Cross multiply
    209,695.15x = 289,387.50 × 119,059.54
  4. Step 4: Simplify right side
    209,695.15x = 34,454,343,089.61
  5. Step 5: Solve for x
    x = 34,454,343,089.61/209,695.15
  6. Step 6: Final answer
    x = 164,306.82

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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.