Home / 151,823.12-209,514.84-83,844.32

Finding the Fourth Proportional to 151,823.12, 209,514.84 and 83,844.32

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Solution

The fourth proportional to 151,823.12, 209,514.84 and 83,844.32 is: 115,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,823.12 : 209,514.84 = 83,844.32 : x
  2. Step 2: Convert to fraction form
    151,823.12/209,514.84 = 83,844.32/x
  3. Step 3: Cross multiply
    151,823.12x = 209,514.84 × 83,844.32
  4. Step 4: Simplify right side
    151,823.12x = 17,566,629,289.71
  5. Step 5: Solve for x
    x = 17,566,629,289.71/151,823.12
  6. Step 6: Final answer
    x = 115,704.57

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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.