Home / 288,831.66-433,207.41-89,158.62

Finding the Fourth Proportional to 288,831.66, 433,207.41 and 89,158.62

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Solution

The fourth proportional to 288,831.66, 433,207.41 and 89,158.62 is: 133,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,831.66 : 433,207.41 = 89,158.62 : x
  2. Step 2: Convert to fraction form
    288,831.66/433,207.41 = 89,158.62/x
  3. Step 3: Cross multiply
    288,831.66x = 433,207.41 × 89,158.62
  4. Step 4: Simplify right side
    288,831.66x = 38,624,174,849.37
  5. Step 5: Solve for x
    x = 38,624,174,849.37/288,831.66
  6. Step 6: Final answer
    x = 133,725.56

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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.