Home / 187,268.24-280,746.84-130,947.36

Finding the Fourth Proportional to 187,268.24, 280,746.84 and 130,947.36

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Solution

The fourth proportional to 187,268.24, 280,746.84 and 130,947.36 is: 196,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268.24 : 280,746.84 = 130,947.36 : x
  2. Step 2: Convert to fraction form
    187,268.24/280,746.84 = 130,947.36/x
  3. Step 3: Cross multiply
    187,268.24x = 280,746.84 × 130,947.36
  4. Step 4: Simplify right side
    187,268.24x = 36,763,057,526.34
  5. Step 5: Solve for x
    x = 36,763,057,526.34/187,268.24
  6. Step 6: Final answer
    x = 196,312.29

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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.