Home / 272,591.60-376,176.36-151,730.28

Finding the Fourth Proportional to 272,591.60, 376,176.36 and 151,730.28

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Solution

The fourth proportional to 272,591.60, 376,176.36 and 151,730.28 is: 209,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,591.60 : 376,176.36 = 151,730.28 : x
  2. Step 2: Convert to fraction form
    272,591.60/376,176.36 = 151,730.28/x
  3. Step 3: Cross multiply
    272,591.60x = 376,176.36 × 151,730.28
  4. Step 4: Simplify right side
    272,591.60x = 57,077,344,432.18
  5. Step 5: Solve for x
    x = 57,077,344,432.18/272,591.60
  6. Step 6: Final answer
    x = 209,387.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.