Home / 288,603.04-432,974.62-88,923.42

Finding the Fourth Proportional to 288,603.04, 432,974.62 and 88,923.42

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Solution

The fourth proportional to 288,603.04, 432,974.62 and 88,923.42 is: 133,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,603.04 : 432,974.62 = 88,923.42 : x
  2. Step 2: Convert to fraction form
    288,603.04/432,974.62 = 88,923.42/x
  3. Step 3: Cross multiply
    288,603.04x = 432,974.62 × 88,923.42
  4. Step 4: Simplify right side
    288,603.04x = 38,501,583,983.60
  5. Step 5: Solve for x
    x = 38,501,583,983.60/288,603.04
  6. Step 6: Final answer
    x = 133,406.72

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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.