Home / 131,347.36-181,260.75-74,759.14

Finding the Fourth Proportional to 131,347.36, 181,260.75 and 74,759.14

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Solution

The fourth proportional to 131,347.36, 181,260.75 and 74,759.14 is: 103,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,347.36 : 181,260.75 = 74,759.14 : x
  2. Step 2: Convert to fraction form
    131,347.36/181,260.75 = 74,759.14/x
  3. Step 3: Cross multiply
    131,347.36x = 181,260.75 × 74,759.14
  4. Step 4: Simplify right side
    131,347.36x = 13,550,897,785.76
  5. Step 5: Solve for x
    x = 13,550,897,785.76/131,347.36
  6. Step 6: Final answer
    x = 103,168.41

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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.