Home / 126,590.10-189,719.04-93,153.60

Finding the Fourth Proportional to 126,590.10, 189,719.04 and 93,153.60

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Solution

The fourth proportional to 126,590.10, 189,719.04 and 93,153.60 is: 139,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,590.10 : 189,719.04 = 93,153.60 : x
  2. Step 2: Convert to fraction form
    126,590.10/189,719.04 = 93,153.60/x
  3. Step 3: Cross multiply
    126,590.10x = 189,719.04 × 93,153.60
  4. Step 4: Simplify right side
    126,590.10x = 17,673,011,564.54
  5. Step 5: Solve for x
    x = 17,673,011,564.54/126,590.10
  6. Step 6: Final answer
    x = 139,608.16

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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.