Home / 284,181.06-392,169.90-156,856.69

Finding the Fourth Proportional to 284,181.06, 392,169.90 and 156,856.69

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Solution

The fourth proportional to 284,181.06, 392,169.90 and 156,856.69 is: 216,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,181.06 : 392,169.90 = 156,856.69 : x
  2. Step 2: Convert to fraction form
    284,181.06/392,169.90 = 156,856.69/x
  3. Step 3: Cross multiply
    284,181.06x = 392,169.90 × 156,856.69
  4. Step 4: Simplify right side
    284,181.06x = 61,514,472,431.63
  5. Step 5: Solve for x
    x = 61,514,472,431.63/284,181.06
  6. Step 6: Final answer
    x = 216,462.25

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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.