Home / 133,934.50-201,703.78-121,977.10

Finding the Fourth Proportional to 133,934.50, 201,703.78 and 121,977.10

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Solution

The fourth proportional to 133,934.50, 201,703.78 and 121,977.10 is: 183,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,934.50 : 201,703.78 = 121,977.10 : x
  2. Step 2: Convert to fraction form
    133,934.50/201,703.78 = 121,977.10/x
  3. Step 3: Cross multiply
    133,934.50x = 201,703.78 × 121,977.10
  4. Step 4: Simplify right side
    133,934.50x = 24,603,242,143.44
  5. Step 5: Solve for x
    x = 24,603,242,143.44/133,934.50
  6. Step 6: Final answer
    x = 183,696.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.