Home / 280,119.85-386,566.61-152,798.18

Finding the Fourth Proportional to 280,119.85, 386,566.61 and 152,798.18

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Solution

The fourth proportional to 280,119.85, 386,566.61 and 152,798.18 is: 210,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,119.85 : 386,566.61 = 152,798.18 : x
  2. Step 2: Convert to fraction form
    280,119.85/386,566.61 = 152,798.18/x
  3. Step 3: Cross multiply
    280,119.85x = 386,566.61 × 152,798.18
  4. Step 4: Simplify right side
    280,119.85x = 59,066,672,905.93
  5. Step 5: Solve for x
    x = 59,066,672,905.93/280,119.85
  6. Step 6: Final answer
    x = 210,862.15

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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.