Home / 209,156.27-288,637.47-113,662.95

Finding the Fourth Proportional to 209,156.27, 288,637.47 and 113,662.95

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Solution

The fourth proportional to 209,156.27, 288,637.47 and 113,662.95 is: 156,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,156.27 : 288,637.47 = 113,662.95 : x
  2. Step 2: Convert to fraction form
    209,156.27/288,637.47 = 113,662.95/x
  3. Step 3: Cross multiply
    209,156.27x = 288,637.47 × 113,662.95
  4. Step 4: Simplify right side
    209,156.27x = 32,807,386,320.74
  5. Step 5: Solve for x
    x = 32,807,386,320.74/209,156.27
  6. Step 6: Final answer
    x = 156,855.86

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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.