Home / 154,479.93-231,869.48-74,574.02

Finding the Fourth Proportional to 154,479.93, 231,869.48 and 74,574.02

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Solution

The fourth proportional to 154,479.93, 231,869.48 and 74,574.02 is: 111,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,479.93 : 231,869.48 = 74,574.02 : x
  2. Step 2: Convert to fraction form
    154,479.93/231,869.48 = 74,574.02/x
  3. Step 3: Cross multiply
    154,479.93x = 231,869.48 × 74,574.02
  4. Step 4: Simplify right side
    154,479.93x = 17,291,439,238.91
  5. Step 5: Solve for x
    x = 17,291,439,238.91/154,479.93
  6. Step 6: Final answer
    x = 111,933.24

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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.