Home / 284,189.32-392,181.30-156,864.94

Finding the Fourth Proportional to 284,189.32, 392,181.30 and 156,864.94

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Solution

The fourth proportional to 284,189.32, 392,181.30 and 156,864.94 is: 216,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,189.32 : 392,181.30 = 156,864.94 : x
  2. Step 2: Convert to fraction form
    284,189.32/392,181.30 = 156,864.94/x
  3. Step 3: Cross multiply
    284,189.32x = 392,181.30 × 156,864.94
  4. Step 4: Simplify right side
    284,189.32x = 61,519,496,093.62
  5. Step 5: Solve for x
    x = 61,519,496,093.62/284,189.32
  6. Step 6: Final answer
    x = 216,473.64

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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.