Home / 156,719.14-234,873.36-72,468.60

Finding the Fourth Proportional to 156,719.14, 234,873.36 and 72,468.60

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Solution

The fourth proportional to 156,719.14, 234,873.36 and 72,468.60 is: 108,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,719.14 : 234,873.36 = 72,468.60 : x
  2. Step 2: Convert to fraction form
    156,719.14/234,873.36 = 72,468.60/x
  3. Step 3: Cross multiply
    156,719.14x = 234,873.36 × 72,468.60
  4. Step 4: Simplify right side
    156,719.14x = 17,020,943,576.50
  5. Step 5: Solve for x
    x = 17,020,943,576.50/156,719.14
  6. Step 6: Final answer
    x = 108,607.94

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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.