Home / 147,409.40-221,114.10-94,265.30

Finding the Fourth Proportional to 147,409.40, 221,114.10 and 94,265.30

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Solution

The fourth proportional to 147,409.40, 221,114.10 and 94,265.30 is: 141,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,409.40 : 221,114.10 = 94,265.30 : x
  2. Step 2: Convert to fraction form
    147,409.40/221,114.10 = 94,265.30/x
  3. Step 3: Cross multiply
    147,409.40x = 221,114.10 × 94,265.30
  4. Step 4: Simplify right side
    147,409.40x = 20,843,386,970.73
  5. Step 5: Solve for x
    x = 20,843,386,970.73/147,409.40
  6. Step 6: Final answer
    x = 141,397.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.