Home / 209,177.04-288,666.14-113,683.72

Finding the Fourth Proportional to 209,177.04, 288,666.14 and 113,683.72

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Solution

The fourth proportional to 209,177.04, 288,666.14 and 113,683.72 is: 156,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177.04 : 288,666.14 = 113,683.72 : x
  2. Step 2: Convert to fraction form
    209,177.04/288,666.14 = 113,683.72/x
  3. Step 3: Cross multiply
    209,177.04x = 288,666.14 × 113,683.72
  4. Step 4: Simplify right side
    209,177.04x = 32,816,640,633.24
  5. Step 5: Solve for x
    x = 32,816,640,633.24/209,177.04
  6. Step 6: Final answer
    x = 156,884.53

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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.