Home / 256,032.01-353,324.19-142,854.76

Finding the Fourth Proportional to 256,032.01, 353,324.19 and 142,854.76

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Solution

The fourth proportional to 256,032.01, 353,324.19 and 142,854.76 is: 197,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,032.01 : 353,324.19 = 142,854.76 : x
  2. Step 2: Convert to fraction form
    256,032.01/353,324.19 = 142,854.76/x
  3. Step 3: Cross multiply
    256,032.01x = 353,324.19 × 142,854.76
  4. Step 4: Simplify right side
    256,032.01x = 50,474,042,364.64
  5. Step 5: Solve for x
    x = 50,474,042,364.64/256,032.01
  6. Step 6: Final answer
    x = 197,139.58

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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.