Home / 288,624.02-432,979.06-88,927.70

Finding the Fourth Proportional to 288,624.02, 432,979.06 and 88,927.70

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Solution

The fourth proportional to 288,624.02, 432,979.06 and 88,927.70 is: 133,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,624.02 : 432,979.06 = 88,927.70 : x
  2. Step 2: Convert to fraction form
    288,624.02/432,979.06 = 88,927.70/x
  3. Step 3: Cross multiply
    288,624.02x = 432,979.06 × 88,927.70
  4. Step 4: Simplify right side
    288,624.02x = 38,503,831,953.96
  5. Step 5: Solve for x
    x = 38,503,831,953.96/288,624.02
  6. Step 6: Final answer
    x = 133,404.81

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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.