Home / 284,228.06-392,235.25-156,903.80

Finding the Fourth Proportional to 284,228.06, 392,235.25 and 156,903.80

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Solution

The fourth proportional to 284,228.06, 392,235.25 and 156,903.80 is: 216,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,228.06 : 392,235.25 = 156,903.80 : x
  2. Step 2: Convert to fraction form
    284,228.06/392,235.25 = 156,903.80/x
  3. Step 3: Cross multiply
    284,228.06x = 392,235.25 × 156,903.80
  4. Step 4: Simplify right side
    284,228.06x = 61,543,201,218.95
  5. Step 5: Solve for x
    x = 61,543,201,218.95/284,228.06
  6. Step 6: Final answer
    x = 216,527.54

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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.