Home / 288,568.10-432,899.58-88,888.52

Finding the Fourth Proportional to 288,568.10, 432,899.58 and 88,888.52

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Solution

The fourth proportional to 288,568.10, 432,899.58 and 88,888.52 is: 133,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,568.10 : 432,899.58 = 88,888.52 : x
  2. Step 2: Convert to fraction form
    288,568.10/432,899.58 = 88,888.52/x
  3. Step 3: Cross multiply
    288,568.10x = 432,899.58 × 88,888.52
  4. Step 4: Simplify right side
    288,568.10x = 38,479,802,974.82
  5. Step 5: Solve for x
    x = 38,479,802,974.82/288,568.10
  6. Step 6: Final answer
    x = 133,347.39

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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.