Home / 209,176.83-288,666.26-113,683.53

Finding the Fourth Proportional to 209,176.83, 288,666.26 and 113,683.53

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Solution

The fourth proportional to 209,176.83, 288,666.26 and 113,683.53 is: 156,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,176.83 : 288,666.26 = 113,683.53 : x
  2. Step 2: Convert to fraction form
    209,176.83/288,666.26 = 113,683.53/x
  3. Step 3: Cross multiply
    209,176.83x = 288,666.26 × 113,683.53
  4. Step 4: Simplify right side
    209,176.83x = 32,816,599,428.70
  5. Step 5: Solve for x
    x = 32,816,599,428.70/209,176.83
  6. Step 6: Final answer
    x = 156,884.49

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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.