Home / 280,157.29-386,616.53-152,832.87

Finding the Fourth Proportional to 280,157.29, 386,616.53 and 152,832.87

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Solution

The fourth proportional to 280,157.29, 386,616.53 and 152,832.87 is: 210,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,157.29 : 386,616.53 = 152,832.87 : x
  2. Step 2: Convert to fraction form
    280,157.29/386,616.53 = 152,832.87/x
  3. Step 3: Cross multiply
    280,157.29x = 386,616.53 × 152,832.87
  4. Step 4: Simplify right side
    280,157.29x = 59,087,714,251.42
  5. Step 5: Solve for x
    x = 59,087,714,251.42/280,157.29
  6. Step 6: Final answer
    x = 210,909.07

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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.