Home / 156,857.81-235,182.69-57,006.14

Finding the Fourth Proportional to 156,857.81, 235,182.69 and 57,006.14

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Solution

The fourth proportional to 156,857.81, 235,182.69 and 57,006.14 is: 85,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,857.81 : 235,182.69 = 57,006.14 : x
  2. Step 2: Convert to fraction form
    156,857.81/235,182.69 = 57,006.14/x
  3. Step 3: Cross multiply
    156,857.81x = 235,182.69 × 57,006.14
  4. Step 4: Simplify right side
    156,857.81x = 13,406,856,175.80
  5. Step 5: Solve for x
    x = 13,406,856,175.80/156,857.81
  6. Step 6: Final answer
    x = 85,471.40

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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.