Home / 280,322.28-386,841.96-152,996.76

Finding the Fourth Proportional to 280,322.28, 386,841.96 and 152,996.76

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Solution

The fourth proportional to 280,322.28, 386,841.96 and 152,996.76 is: 211,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,322.28 : 386,841.96 = 152,996.76 : x
  2. Step 2: Convert to fraction form
    280,322.28/386,841.96 = 152,996.76/x
  3. Step 3: Cross multiply
    280,322.28x = 386,841.96 × 152,996.76
  4. Step 4: Simplify right side
    280,322.28x = 59,185,566,512.05
  5. Step 5: Solve for x
    x = 59,185,566,512.05/280,322.28
  6. Step 6: Final answer
    x = 211,134.01

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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.