Home / 156,857.12-235,329.60-63,428.48

Finding the Fourth Proportional to 156,857.12, 235,329.60 and 63,428.48

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Solution

The fourth proportional to 156,857.12, 235,329.60 and 63,428.48 is: 95,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,857.12 : 235,329.60 = 63,428.48 : x
  2. Step 2: Convert to fraction form
    156,857.12/235,329.60 = 63,428.48/x
  3. Step 3: Cross multiply
    156,857.12x = 235,329.60 × 63,428.48
  4. Step 4: Simplify right side
    156,857.12x = 14,926,598,827.01
  5. Step 5: Solve for x
    x = 14,926,598,827.01/156,857.12
  6. Step 6: Final answer
    x = 95,160.48

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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.