Home / 209,089.61-288,545.04-113,596.28

Finding the Fourth Proportional to 209,089.61, 288,545.04 and 113,596.28

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Solution

The fourth proportional to 209,089.61, 288,545.04 and 113,596.28 is: 156,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,089.61 : 288,545.04 = 113,596.28 : x
  2. Step 2: Convert to fraction form
    209,089.61/288,545.04 = 113,596.28/x
  3. Step 3: Cross multiply
    209,089.61x = 288,545.04 × 113,596.28
  4. Step 4: Simplify right side
    209,089.61x = 32,777,643,156.45
  5. Step 5: Solve for x
    x = 32,777,643,156.45/209,089.61
  6. Step 6: Final answer
    x = 156,763.62

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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.