Home / 454,207.29-681,416.46-154,690.47

Finding the Fourth Proportional to 454,207.29, 681,416.46 and 154,690.47

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Solution

The fourth proportional to 454,207.29, 681,416.46 and 154,690.47 is: 232,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,207.29 : 681,416.46 = 154,690.47 : x
  2. Step 2: Convert to fraction form
    454,207.29/681,416.46 = 154,690.47/x
  3. Step 3: Cross multiply
    454,207.29x = 681,416.46 × 154,690.47
  4. Step 4: Simplify right side
    454,207.29x = 105,408,632,463.14
  5. Step 5: Solve for x
    x = 105,408,632,463.14/454,207.29
  6. Step 6: Final answer
    x = 232,071.64

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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.