Home / 209,193.59-288,688.91-113,700.26

Finding the Fourth Proportional to 209,193.59, 288,688.91 and 113,700.26

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Solution

The fourth proportional to 209,193.59, 288,688.91 and 113,700.26 is: 156,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,193.59 : 288,688.91 = 113,700.26 : x
  2. Step 2: Convert to fraction form
    209,193.59/288,688.91 = 113,700.26/x
  3. Step 3: Cross multiply
    209,193.59x = 288,688.91 × 113,700.26
  4. Step 4: Simplify right side
    209,193.59x = 32,824,002,114.17
  5. Step 5: Solve for x
    x = 32,824,002,114.17/209,193.59
  6. Step 6: Final answer
    x = 156,907.31

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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.