Home / 136,453.01-188,154.70-93,439.58

Finding the Fourth Proportional to 136,453.01, 188,154.70 and 93,439.58

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Solution

The fourth proportional to 136,453.01, 188,154.70 and 93,439.58 is: 128,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,453.01 : 188,154.70 = 93,439.58 : x
  2. Step 2: Convert to fraction form
    136,453.01/188,154.70 = 93,439.58/x
  3. Step 3: Cross multiply
    136,453.01x = 188,154.70 × 93,439.58
  4. Step 4: Simplify right side
    136,453.01x = 17,581,094,968.65
  5. Step 5: Solve for x
    x = 17,581,094,968.65/136,453.01
  6. Step 6: Final answer
    x = 128,843.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.