Home / 256,002.36-353,283.48-142,825.14

Finding the Fourth Proportional to 256,002.36, 353,283.48 and 142,825.14

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Solution

The fourth proportional to 256,002.36, 353,283.48 and 142,825.14 is: 197,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,002.36 : 353,283.48 = 142,825.14 : x
  2. Step 2: Convert to fraction form
    256,002.36/353,283.48 = 142,825.14/x
  3. Step 3: Cross multiply
    256,002.36x = 353,283.48 × 142,825.14
  4. Step 4: Simplify right side
    256,002.36x = 50,457,762,490.69
  5. Step 5: Solve for x
    x = 50,457,762,490.69/256,002.36
  6. Step 6: Final answer
    x = 197,098.82

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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.