Home / 421,972.48-633,008.28-148,335.04

Finding the Fourth Proportional to 421,972.48, 633,008.28 and 148,335.04

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Solution

The fourth proportional to 421,972.48, 633,008.28 and 148,335.04 is: 222,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,972.48 : 633,008.28 = 148,335.04 : x
  2. Step 2: Convert to fraction form
    421,972.48/633,008.28 = 148,335.04/x
  3. Step 3: Cross multiply
    421,972.48x = 633,008.28 × 148,335.04
  4. Step 4: Simplify right side
    421,972.48x = 93,897,308,534.13
  5. Step 5: Solve for x
    x = 93,897,308,534.13/421,972.48
  6. Step 6: Final answer
    x = 222,519.98

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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.