Home / 133,623.70-200,435.55-121,570.90

Finding the Fourth Proportional to 133,623.70, 200,435.55 and 121,570.90

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Solution

The fourth proportional to 133,623.70, 200,435.55 and 121,570.90 is: 182,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.70 : 200,435.55 = 121,570.90 : x
  2. Step 2: Convert to fraction form
    133,623.70/200,435.55 = 121,570.90/x
  3. Step 3: Cross multiply
    133,623.70x = 200,435.55 × 121,570.90
  4. Step 4: Simplify right side
    133,623.70x = 24,367,130,205.50
  5. Step 5: Solve for x
    x = 24,367,130,205.50/133,623.70
  6. Step 6: Final answer
    x = 182,356.35

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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.