Home / 141,619.49-195,437.39-77,090.59

Finding the Fourth Proportional to 141,619.49, 195,437.39 and 77,090.59

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Solution

The fourth proportional to 141,619.49, 195,437.39 and 77,090.59 is: 106,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,619.49 : 195,437.39 = 77,090.59 : x
  2. Step 2: Convert to fraction form
    141,619.49/195,437.39 = 77,090.59/x
  3. Step 3: Cross multiply
    141,619.49x = 195,437.39 × 77,090.59
  4. Step 4: Simplify right side
    141,619.49x = 15,066,383,113.12
  5. Step 5: Solve for x
    x = 15,066,383,113.12/141,619.49
  6. Step 6: Final answer
    x = 106,386.36

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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.