Home / 156,161.16-233,864.10-89,398.80

Finding the Fourth Proportional to 156,161.16, 233,864.10 and 89,398.80

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Solution

The fourth proportional to 156,161.16, 233,864.10 and 89,398.80 is: 133,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161.16 : 233,864.10 = 89,398.80 : x
  2. Step 2: Convert to fraction form
    156,161.16/233,864.10 = 89,398.80/x
  3. Step 3: Cross multiply
    156,161.16x = 233,864.10 × 89,398.80
  4. Step 4: Simplify right side
    156,161.16x = 20,907,169,903.08
  5. Step 5: Solve for x
    x = 20,907,169,903.08/156,161.16
  6. Step 6: Final answer
    x = 133,882.01

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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.