Home / 284,186.93-392,150.05-156,854.33

Finding the Fourth Proportional to 284,186.93, 392,150.05 and 156,854.33

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Solution

The fourth proportional to 284,186.93, 392,150.05 and 156,854.33 is: 216,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,186.93 : 392,150.05 = 156,854.33 : x
  2. Step 2: Convert to fraction form
    284,186.93/392,150.05 = 156,854.33/x
  3. Step 3: Cross multiply
    284,186.93x = 392,150.05 × 156,854.33
  4. Step 4: Simplify right side
    284,186.93x = 61,510,430,999.33
  5. Step 5: Solve for x
    x = 61,510,430,999.33/284,186.93
  6. Step 6: Final answer
    x = 216,443.56

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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.