Home / 268,123.29-370,014.60-147,275.76

Finding the Fourth Proportional to 268,123.29, 370,014.60 and 147,275.76

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Solution

The fourth proportional to 268,123.29, 370,014.60 and 147,275.76 is: 203,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,123.29 : 370,014.60 = 147,275.76 : x
  2. Step 2: Convert to fraction form
    268,123.29/370,014.60 = 147,275.76/x
  3. Step 3: Cross multiply
    268,123.29x = 370,014.60 × 147,275.76
  4. Step 4: Simplify right side
    268,123.29x = 54,494,181,426.10
  5. Step 5: Solve for x
    x = 54,494,181,426.10/268,123.29
  6. Step 6: Final answer
    x = 203,243.00

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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.