Home / 209,292.08-288,826.68-113,799.42

Finding the Fourth Proportional to 209,292.08, 288,826.68 and 113,799.42

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Solution

The fourth proportional to 209,292.08, 288,826.68 and 113,799.42 is: 157,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,292.08 : 288,826.68 = 113,799.42 : x
  2. Step 2: Convert to fraction form
    209,292.08/288,826.68 = 113,799.42/x
  3. Step 3: Cross multiply
    209,292.08x = 288,826.68 × 113,799.42
  4. Step 4: Simplify right side
    209,292.08x = 32,868,308,664.53
  5. Step 5: Solve for x
    x = 32,868,308,664.53/209,292.08
  6. Step 6: Final answer
    x = 157,045.16

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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.