Home / 186,853.86-280,478.06-87,110.25

Finding the Fourth Proportional to 186,853.86, 280,478.06 and 87,110.25

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Solution

The fourth proportional to 186,853.86, 280,478.06 and 87,110.25 is: 130,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,853.86 : 280,478.06 = 87,110.25 : x
  2. Step 2: Convert to fraction form
    186,853.86/280,478.06 = 87,110.25/x
  3. Step 3: Cross multiply
    186,853.86x = 280,478.06 × 87,110.25
  4. Step 4: Simplify right side
    186,853.86x = 24,432,513,490.56
  5. Step 5: Solve for x
    x = 24,432,513,490.56/186,853.86
  6. Step 6: Final answer
    x = 130,757.34

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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.