Home / 150,955.36-208,314.02-86,422.44

Finding the Fourth Proportional to 150,955.36, 208,314.02 and 86,422.44

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Solution

The fourth proportional to 150,955.36, 208,314.02 and 86,422.44 is: 119,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,955.36 : 208,314.02 = 86,422.44 : x
  2. Step 2: Convert to fraction form
    150,955.36/208,314.02 = 86,422.44/x
  3. Step 3: Cross multiply
    150,955.36x = 208,314.02 × 86,422.44
  4. Step 4: Simplify right side
    150,955.36x = 18,003,005,894.61
  5. Step 5: Solve for x
    x = 18,003,005,894.61/150,955.36
  6. Step 6: Final answer
    x = 119,260.46

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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.