Home / 125,530.56-188,296.02-88,257.36

Finding the Fourth Proportional to 125,530.56, 188,296.02 and 88,257.36

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Solution

The fourth proportional to 125,530.56, 188,296.02 and 88,257.36 is: 132,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,530.56 : 188,296.02 = 88,257.36 : x
  2. Step 2: Convert to fraction form
    125,530.56/188,296.02 = 88,257.36/x
  3. Step 3: Cross multiply
    125,530.56x = 188,296.02 × 88,257.36
  4. Step 4: Simplify right side
    125,530.56x = 16,618,509,623.71
  5. Step 5: Solve for x
    x = 16,618,509,623.71/125,530.56
  6. Step 6: Final answer
    x = 132,386.17

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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.