Home / 148,667.39-205,331.29-97,907.01

Finding the Fourth Proportional to 148,667.39, 205,331.29 and 97,907.01

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Solution

The fourth proportional to 148,667.39, 205,331.29 and 97,907.01 is: 135,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,667.39 : 205,331.29 = 97,907.01 : x
  2. Step 2: Convert to fraction form
    148,667.39/205,331.29 = 97,907.01/x
  3. Step 3: Cross multiply
    148,667.39x = 205,331.29 × 97,907.01
  4. Step 4: Simplify right side
    148,667.39x = 20,103,372,418.58
  5. Step 5: Solve for x
    x = 20,103,372,418.58/148,667.39
  6. Step 6: Final answer
    x = 135,223.82

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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.