Home / 454,210.65-681,421.41-154,693.83

Finding the Fourth Proportional to 454,210.65, 681,421.41 and 154,693.83

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Solution

The fourth proportional to 454,210.65, 681,421.41 and 154,693.83 is: 232,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,210.65 : 681,421.41 = 154,693.83 : x
  2. Step 2: Convert to fraction form
    454,210.65/681,421.41 = 154,693.83/x
  3. Step 3: Cross multiply
    454,210.65x = 681,421.41 × 154,693.83
  4. Step 4: Simplify right side
    454,210.65x = 105,411,687,756.90
  5. Step 5: Solve for x
    x = 105,411,687,756.90/454,210.65
  6. Step 6: Final answer
    x = 232,076.65

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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.