Home / 454,663.14-681,994.60-155,143.70

Finding the Fourth Proportional to 454,663.14, 681,994.60 and 155,143.70

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Solution

The fourth proportional to 454,663.14, 681,994.60 and 155,143.70 is: 232,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,663.14 : 681,994.60 = 155,143.70 : x
  2. Step 2: Convert to fraction form
    454,663.14/681,994.60 = 155,143.70/x
  3. Step 3: Cross multiply
    454,663.14x = 681,994.60 × 155,143.70
  4. Step 4: Simplify right side
    454,663.14x = 105,807,164,383.67
  5. Step 5: Solve for x
    x = 105,807,164,383.67/454,663.14
  6. Step 6: Final answer
    x = 232,715.51

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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.