Home / 121,514.70-182,272.05-112,657.35

Finding the Fourth Proportional to 121,514.70, 182,272.05 and 112,657.35

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Solution

The fourth proportional to 121,514.70, 182,272.05 and 112,657.35 is: 168,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,514.70 : 182,272.05 = 112,657.35 : x
  2. Step 2: Convert to fraction form
    121,514.70/182,272.05 = 112,657.35/x
  3. Step 3: Cross multiply
    121,514.70x = 182,272.05 × 112,657.35
  4. Step 4: Simplify right side
    121,514.70x = 20,534,286,132.07
  5. Step 5: Solve for x
    x = 20,534,286,132.07/121,514.70
  6. Step 6: Final answer
    x = 168,986.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.