Home / 330,259.16-495,552.77-130,722.75

Finding the Fourth Proportional to 330,259.16, 495,552.77 and 130,722.75

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Solution

The fourth proportional to 330,259.16, 495,552.77 and 130,722.75 is: 196,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,259.16 : 495,552.77 = 130,722.75 : x
  2. Step 2: Convert to fraction form
    330,259.16/495,552.77 = 130,722.75/x
  3. Step 3: Cross multiply
    330,259.16x = 495,552.77 × 130,722.75
  4. Step 4: Simplify right side
    330,259.16x = 64,780,020,210.90
  5. Step 5: Solve for x
    x = 64,780,020,210.90/330,259.16
  6. Step 6: Final answer
    x = 196,149.05

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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.