Home / 156,943.78-235,357.35-51,734.50

Finding the Fourth Proportional to 156,943.78, 235,357.35 and 51,734.50

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Solution

The fourth proportional to 156,943.78, 235,357.35 and 51,734.50 is: 77,582.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.78 : 235,357.35 = 51,734.50 : x
  2. Step 2: Convert to fraction form
    156,943.78/235,357.35 = 51,734.50/x
  3. Step 3: Cross multiply
    156,943.78x = 235,357.35 × 51,734.50
  4. Step 4: Simplify right side
    156,943.78x = 12,176,094,823.58
  5. Step 5: Solve for x
    x = 12,176,094,823.58/156,943.78
  6. Step 6: Final answer
    x = 77,582.53

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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.