Home / 134,408.04-201,642.12-40,921.08

Finding the Fourth Proportional to 134,408.04, 201,642.12 and 40,921.08

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Solution

The fourth proportional to 134,408.04, 201,642.12 and 40,921.08 is: 61,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,408.04 : 201,642.12 = 40,921.08 : x
  2. Step 2: Convert to fraction form
    134,408.04/201,642.12 = 40,921.08/x
  3. Step 3: Cross multiply
    134,408.04x = 201,642.12 × 40,921.08
  4. Step 4: Simplify right side
    134,408.04x = 8,251,413,323.89
  5. Step 5: Solve for x
    x = 8,251,413,323.89/134,408.04
  6. Step 6: Final answer
    x = 61,390.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.