Home / 133,041.90-199,395.75-66,500.58

Finding the Fourth Proportional to 133,041.90, 199,395.75 and 66,500.58

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Solution

The fourth proportional to 133,041.90, 199,395.75 and 66,500.58 is: 99,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,041.90 : 199,395.75 = 66,500.58 : x
  2. Step 2: Convert to fraction form
    133,041.90/199,395.75 = 66,500.58/x
  3. Step 3: Cross multiply
    133,041.90x = 199,395.75 × 66,500.58
  4. Step 4: Simplify right side
    133,041.90x = 13,259,933,024.54
  5. Step 5: Solve for x
    x = 13,259,933,024.54/133,041.90
  6. Step 6: Final answer
    x = 99,667.35

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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.