Home / 209,082.32-288,533.84-113,589.08

Finding the Fourth Proportional to 209,082.32, 288,533.84 and 113,589.08

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Solution

The fourth proportional to 209,082.32, 288,533.84 and 113,589.08 is: 156,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,082.32 : 288,533.84 = 113,589.08 : x
  2. Step 2: Convert to fraction form
    209,082.32/288,533.84 = 113,589.08/x
  3. Step 3: Cross multiply
    209,082.32x = 288,533.84 × 113,589.08
  4. Step 4: Simplify right side
    209,082.32x = 32,774,293,434.47
  5. Step 5: Solve for x
    x = 32,774,293,434.47/209,082.32
  6. Step 6: Final answer
    x = 156,753.06

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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.