Home / 125,708.22-188,907.93-117,488.70

Finding the Fourth Proportional to 125,708.22, 188,907.93 and 117,488.70

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Solution

The fourth proportional to 125,708.22, 188,907.93 and 117,488.70 is: 176,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,708.22 : 188,907.93 = 117,488.70 : x
  2. Step 2: Convert to fraction form
    125,708.22/188,907.93 = 117,488.70/x
  3. Step 3: Cross multiply
    125,708.22x = 188,907.93 × 117,488.70
  4. Step 4: Simplify right side
    125,708.22x = 22,194,547,115.39
  5. Step 5: Solve for x
    x = 22,194,547,115.39/125,708.22
  6. Step 6: Final answer
    x = 176,556.05

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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.