Home / 116,130.92-174,195.97-76,678.65

Finding the Fourth Proportional to 116,130.92, 174,195.97 and 76,678.65

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Solution

The fourth proportional to 116,130.92, 174,195.97 and 76,678.65 is: 115,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,130.92 : 174,195.97 = 76,678.65 : x
  2. Step 2: Convert to fraction form
    116,130.92/174,195.97 = 76,678.65/x
  3. Step 3: Cross multiply
    116,130.92x = 174,195.97 × 76,678.65
  4. Step 4: Simplify right side
    116,130.92x = 13,357,111,623.34
  5. Step 5: Solve for x
    x = 13,357,111,623.34/116,130.92
  6. Step 6: Final answer
    x = 115,017.71

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1.5x scale

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.