Home / 195,402.36-269,655.28-105,978.36

Finding the Fourth Proportional to 195,402.36, 269,655.28 and 105,978.36

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Solution

The fourth proportional to 195,402.36, 269,655.28 and 105,978.36 is: 146,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,402.36 : 269,655.28 = 105,978.36 : x
  2. Step 2: Convert to fraction form
    195,402.36/269,655.28 = 105,978.36/x
  3. Step 3: Cross multiply
    195,402.36x = 269,655.28 × 105,978.36
  4. Step 4: Simplify right side
    195,402.36x = 28,577,624,339.74
  5. Step 5: Solve for x
    x = 28,577,624,339.74/195,402.36
  6. Step 6: Final answer
    x = 146,250.15

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1.5x scale

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.