Home / 280,281.96-386,797.32-152,965.76

Finding the Fourth Proportional to 280,281.96, 386,797.32 and 152,965.76

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Solution

The fourth proportional to 280,281.96, 386,797.32 and 152,965.76 is: 211,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,281.96 : 386,797.32 = 152,965.76 : x
  2. Step 2: Convert to fraction form
    280,281.96/386,797.32 = 152,965.76/x
  3. Step 3: Cross multiply
    280,281.96x = 386,797.32 × 152,965.76
  4. Step 4: Simplify right side
    280,281.96x = 59,166,746,019.76
  5. Step 5: Solve for x
    x = 59,166,746,019.76/280,281.96
  6. Step 6: Final answer
    x = 211,097.23

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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.