Home / 156,718.38-235,077.68-56,878.39

Finding the Fourth Proportional to 156,718.38, 235,077.68 and 56,878.39

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Solution

The fourth proportional to 156,718.38, 235,077.68 and 56,878.39 is: 85,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.38 : 235,077.68 = 56,878.39 : x
  2. Step 2: Convert to fraction form
    156,718.38/235,077.68 = 56,878.39/x
  3. Step 3: Cross multiply
    156,718.38x = 235,077.68 × 56,878.39
  4. Step 4: Simplify right side
    156,718.38x = 13,370,839,963.34
  5. Step 5: Solve for x
    x = 13,370,839,963.34/156,718.38
  6. Step 6: Final answer
    x = 85,317.62

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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.