Home / 288,583.48-432,918.28-88,887.14

Finding the Fourth Proportional to 288,583.48, 432,918.28 and 88,887.14

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Solution

The fourth proportional to 288,583.48, 432,918.28 and 88,887.14 is: 133,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,583.48 : 432,918.28 = 88,887.14 : x
  2. Step 2: Convert to fraction form
    288,583.48/432,918.28 = 88,887.14/x
  3. Step 3: Cross multiply
    288,583.48x = 432,918.28 × 88,887.14
  4. Step 4: Simplify right side
    288,583.48x = 38,480,867,762.92
  5. Step 5: Solve for x
    x = 38,480,867,762.92/288,583.48
  6. Step 6: Final answer
    x = 133,343.97

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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.