Home / 280,550.18-386,919.94-237,152.96

Finding the Fourth Proportional to 280,550.18, 386,919.94 and 237,152.96

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Solution

The fourth proportional to 280,550.18, 386,919.94 and 237,152.96 is: 327,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,550.18 : 386,919.94 = 237,152.96 : x
  2. Step 2: Convert to fraction form
    280,550.18/386,919.94 = 237,152.96/x
  3. Step 3: Cross multiply
    280,550.18x = 386,919.94 × 237,152.96
  4. Step 4: Simplify right side
    280,550.18x = 91,759,210,598.58
  5. Step 5: Solve for x
    x = 91,759,210,598.58/280,550.18
  6. Step 6: Final answer
    x = 327,068.80

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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.