Home / 209,199.47-288,693.81-113,706.15

Finding the Fourth Proportional to 209,199.47, 288,693.81 and 113,706.15

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Solution

The fourth proportional to 209,199.47, 288,693.81 and 113,706.15 is: 156,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,199.47 : 288,693.81 = 113,706.15 : x
  2. Step 2: Convert to fraction form
    209,199.47/288,693.81 = 113,706.15/x
  3. Step 3: Cross multiply
    209,199.47x = 288,693.81 × 113,706.15
  4. Step 4: Simplify right side
    209,199.47x = 32,826,261,663.93
  5. Step 5: Solve for x
    x = 32,826,261,663.93/209,199.47
  6. Step 6: Final answer
    x = 156,913.70

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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.