Home / 103,253.88-142,533.94-69,765.24

Finding the Fourth Proportional to 103,253.88, 142,533.94 and 69,765.24

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Solution

The fourth proportional to 103,253.88, 142,533.94 and 69,765.24 is: 96,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253.88 : 142,533.94 = 69,765.24 : x
  2. Step 2: Convert to fraction form
    103,253.88/142,533.94 = 69,765.24/x
  3. Step 3: Cross multiply
    103,253.88x = 142,533.94 × 69,765.24
  4. Step 4: Simplify right side
    103,253.88x = 9,943,914,532.25
  5. Step 5: Solve for x
    x = 9,943,914,532.25/103,253.88
  6. Step 6: Final answer
    x = 96,305.48

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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.