Home / 156,717.65-235,114.28-51,531.05

Finding the Fourth Proportional to 156,717.65, 235,114.28 and 51,531.05

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Solution

The fourth proportional to 156,717.65, 235,114.28 and 51,531.05 is: 77,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.65 : 235,114.28 = 51,531.05 : x
  2. Step 2: Convert to fraction form
    156,717.65/235,114.28 = 51,531.05/x
  3. Step 3: Cross multiply
    156,717.65x = 235,114.28 × 51,531.05
  4. Step 4: Simplify right side
    156,717.65x = 12,115,685,718.39
  5. Step 5: Solve for x
    x = 12,115,685,718.39/156,717.65
  6. Step 6: Final answer
    x = 77,309.01

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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.