Home / 156,987.49-235,544.12-57,154.59

Finding the Fourth Proportional to 156,987.49, 235,544.12 and 57,154.59

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Solution

The fourth proportional to 156,987.49, 235,544.12 and 57,154.59 is: 85,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.49 : 235,544.12 = 57,154.59 : x
  2. Step 2: Convert to fraction form
    156,987.49/235,544.12 = 57,154.59/x
  3. Step 3: Cross multiply
    156,987.49x = 235,544.12 × 57,154.59
  4. Step 4: Simplify right side
    156,987.49x = 13,462,427,605.51
  5. Step 5: Solve for x
    x = 13,462,427,605.51/156,987.49
  6. Step 6: Final answer
    x = 85,754.78

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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.