Home / 209,338.52-288,884.43-113,843.16

Finding the Fourth Proportional to 209,338.52, 288,884.43 and 113,843.16

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Solution

The fourth proportional to 209,338.52, 288,884.43 and 113,843.16 is: 157,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,338.52 : 288,884.43 = 113,843.16 : x
  2. Step 2: Convert to fraction form
    209,338.52/288,884.43 = 113,843.16/x
  3. Step 3: Cross multiply
    209,338.52x = 288,884.43 × 113,843.16
  4. Step 4: Simplify right side
    209,338.52x = 32,887,516,386.00
  5. Step 5: Solve for x
    x = 32,887,516,386.00/209,338.52
  6. Step 6: Final answer
    x = 157,102.08

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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.