Home / 454,216.68-681,430.41-154,699.83

Finding the Fourth Proportional to 454,216.68, 681,430.41 and 154,699.83

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Solution

The fourth proportional to 454,216.68, 681,430.41 and 154,699.83 is: 232,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,216.68 : 681,430.41 = 154,699.83 : x
  2. Step 2: Convert to fraction form
    454,216.68/681,430.41 = 154,699.83/x
  3. Step 3: Cross multiply
    454,216.68x = 681,430.41 × 154,699.83
  4. Step 4: Simplify right side
    454,216.68x = 105,417,168,583.83
  5. Step 5: Solve for x
    x = 105,417,168,583.83/454,216.68
  6. Step 6: Final answer
    x = 232,085.64

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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.