Home / 133,065.70-199,598.55-91,075.30

Finding the Fourth Proportional to 133,065.70, 199,598.55 and 91,075.30

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Solution

The fourth proportional to 133,065.70, 199,598.55 and 91,075.30 is: 136,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.70 : 199,598.55 = 91,075.30 : x
  2. Step 2: Convert to fraction form
    133,065.70/199,598.55 = 91,075.30/x
  3. Step 3: Cross multiply
    133,065.70x = 199,598.55 × 91,075.30
  4. Step 4: Simplify right side
    133,065.70x = 18,178,497,820.82
  5. Step 5: Solve for x
    x = 18,178,497,820.82/133,065.70
  6. Step 6: Final answer
    x = 136,612.95

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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.