Home / 150,866.15-208,194.48-81,955.07

Finding the Fourth Proportional to 150,866.15, 208,194.48 and 81,955.07

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Solution

The fourth proportional to 150,866.15, 208,194.48 and 81,955.07 is: 113,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,866.15 : 208,194.48 = 81,955.07 : x
  2. Step 2: Convert to fraction form
    150,866.15/208,194.48 = 81,955.07/x
  3. Step 3: Cross multiply
    150,866.15x = 208,194.48 × 81,955.07
  4. Step 4: Simplify right side
    150,866.15x = 17,062,592,921.77
  5. Step 5: Solve for x
    x = 17,062,592,921.77/150,866.15
  6. Step 6: Final answer
    x = 113,097.56

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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.