Home / 209,350.08-288,908.56-113,862.40

Finding the Fourth Proportional to 209,350.08, 288,908.56 and 113,862.40

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Solution

The fourth proportional to 209,350.08, 288,908.56 and 113,862.40 is: 157,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,350.08 : 288,908.56 = 113,862.40 : x
  2. Step 2: Convert to fraction form
    209,350.08/288,908.56 = 113,862.40/x
  3. Step 3: Cross multiply
    209,350.08x = 288,908.56 × 113,862.40
  4. Step 4: Simplify right side
    209,350.08x = 32,895,822,022.14
  5. Step 5: Solve for x
    x = 32,895,822,022.14/209,350.08
  6. Step 6: Final answer
    x = 157,133.08

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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.