Home / 141,632.31-195,453.90-77,971.17

Finding the Fourth Proportional to 141,632.31, 195,453.90 and 77,971.17

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Solution

The fourth proportional to 141,632.31, 195,453.90 and 77,971.17 is: 107,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,632.31 : 195,453.90 = 77,971.17 : x
  2. Step 2: Convert to fraction form
    141,632.31/195,453.90 = 77,971.17/x
  3. Step 3: Cross multiply
    141,632.31x = 195,453.90 × 77,971.17
  4. Step 4: Simplify right side
    141,632.31x = 15,239,769,264.06
  5. Step 5: Solve for x
    x = 15,239,769,264.06/141,632.31
  6. Step 6: Final answer
    x = 107,600.94

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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.