Home / 268,515.10-370,531.83-147,654.46

Finding the Fourth Proportional to 268,515.10, 370,531.83 and 147,654.46

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Solution

The fourth proportional to 268,515.10, 370,531.83 and 147,654.46 is: 203,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,515.10 : 370,531.83 = 147,654.46 : x
  2. Step 2: Convert to fraction form
    268,515.10/370,531.83 = 147,654.46/x
  3. Step 3: Cross multiply
    268,515.10x = 370,531.83 × 147,654.46
  4. Step 4: Simplify right side
    268,515.10x = 54,710,677,271.46
  5. Step 5: Solve for x
    x = 54,710,677,271.46/268,515.10
  6. Step 6: Final answer
    x = 203,752.70

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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.