Home / 183,619.40-275,429.10-153,876.20

Finding the Fourth Proportional to 183,619.40, 275,429.10 and 153,876.20

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Solution

The fourth proportional to 183,619.40, 275,429.10 and 153,876.20 is: 230,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,619.40 : 275,429.10 = 153,876.20 : x
  2. Step 2: Convert to fraction form
    183,619.40/275,429.10 = 153,876.20/x
  3. Step 3: Cross multiply
    183,619.40x = 275,429.10 × 153,876.20
  4. Step 4: Simplify right side
    183,619.40x = 42,381,983,277.42
  5. Step 5: Solve for x
    x = 42,381,983,277.42/183,619.40
  6. Step 6: Final answer
    x = 230,814.30

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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.