Home / 186,862.04-280,120.38-74,514.94

Finding the Fourth Proportional to 186,862.04, 280,120.38 and 74,514.94

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Solution

The fourth proportional to 186,862.04, 280,120.38 and 74,514.94 is: 111,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,862.04 : 280,120.38 = 74,514.94 : x
  2. Step 2: Convert to fraction form
    186,862.04/280,120.38 = 74,514.94/x
  3. Step 3: Cross multiply
    186,862.04x = 280,120.38 × 74,514.94
  4. Step 4: Simplify right side
    186,862.04x = 20,873,152,328.75
  5. Step 5: Solve for x
    x = 20,873,152,328.75/186,862.04
  6. Step 6: Final answer
    x = 111,703.55

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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.