Home / 156,340.16-234,317.60-88,928.72

Finding the Fourth Proportional to 156,340.16, 234,317.60 and 88,928.72

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Solution

The fourth proportional to 156,340.16, 234,317.60 and 88,928.72 is: 133,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,340.16 : 234,317.60 = 88,928.72 : x
  2. Step 2: Convert to fraction form
    156,340.16/234,317.60 = 88,928.72/x
  3. Step 3: Cross multiply
    156,340.16x = 234,317.60 × 88,928.72
  4. Step 4: Simplify right side
    156,340.16x = 20,837,564,241.47
  5. Step 5: Solve for x
    x = 20,837,564,241.47/156,340.16
  6. Step 6: Final answer
    x = 133,283.50

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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.