Home / 454,601.40-681,837.30-155,095.80

Finding the Fourth Proportional to 454,601.40, 681,837.30 and 155,095.80

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Solution

The fourth proportional to 454,601.40, 681,837.30 and 155,095.80 is: 232,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,601.40 : 681,837.30 = 155,095.80 : x
  2. Step 2: Convert to fraction form
    454,601.40/681,837.30 = 155,095.80/x
  3. Step 3: Cross multiply
    454,601.40x = 681,837.30 × 155,095.80
  4. Step 4: Simplify right side
    454,601.40x = 105,750,101,513.34
  5. Step 5: Solve for x
    x = 105,750,101,513.34/454,601.40
  6. Step 6: Final answer
    x = 232,621.59

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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.