Home / 147,280.41-203,237.24-86,848.20

Finding the Fourth Proportional to 147,280.41, 203,237.24 and 86,848.20

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Solution

The fourth proportional to 147,280.41, 203,237.24 and 86,848.20 is: 119,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,280.41 : 203,237.24 = 86,848.20 : x
  2. Step 2: Convert to fraction form
    147,280.41/203,237.24 = 86,848.20/x
  3. Step 3: Cross multiply
    147,280.41x = 203,237.24 × 86,848.20
  4. Step 4: Simplify right side
    147,280.41x = 17,650,788,032.73
  5. Step 5: Solve for x
    x = 17,650,788,032.73/147,280.41
  6. Step 6: Final answer
    x = 119,844.78

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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.