Home / 130,382.06-195,655.36-55,502.10

Finding the Fourth Proportional to 130,382.06, 195,655.36 and 55,502.10

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Solution

The fourth proportional to 130,382.06, 195,655.36 and 55,502.10 is: 83,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,382.06 : 195,655.36 = 55,502.10 : x
  2. Step 2: Convert to fraction form
    130,382.06/195,655.36 = 55,502.10/x
  3. Step 3: Cross multiply
    130,382.06x = 195,655.36 × 55,502.10
  4. Step 4: Simplify right side
    130,382.06x = 10,859,283,356.26
  5. Step 5: Solve for x
    x = 10,859,283,356.26/130,382.06
  6. Step 6: Final answer
    x = 83,288.17

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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.