Home / 209,177.42-288,666.75-113,684.36

Finding the Fourth Proportional to 209,177.42, 288,666.75 and 113,684.36

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Solution

The fourth proportional to 209,177.42, 288,666.75 and 113,684.36 is: 156,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,177.42 : 288,666.75 = 113,684.36 : x
  2. Step 2: Convert to fraction form
    209,177.42/288,666.75 = 113,684.36/x
  3. Step 3: Cross multiply
    209,177.42x = 288,666.75 × 113,684.36
  4. Step 4: Simplify right side
    209,177.42x = 32,816,894,727.03
  5. Step 5: Solve for x
    x = 32,816,894,727.03/209,177.42
  6. Step 6: Final answer
    x = 156,885.46

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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.