Home / 133,063.10-199,651.35-69,931.70

Finding the Fourth Proportional to 133,063.10, 199,651.35 and 69,931.70

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Solution

The fourth proportional to 133,063.10, 199,651.35 and 69,931.70 is: 104,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,063.10 : 199,651.35 = 69,931.70 : x
  2. Step 2: Convert to fraction form
    133,063.10/199,651.35 = 69,931.70/x
  3. Step 3: Cross multiply
    133,063.10x = 199,651.35 × 69,931.70
  4. Step 4: Simplify right side
    133,063.10x = 13,961,958,312.80
  5. Step 5: Solve for x
    x = 13,961,958,312.80/133,063.10
  6. Step 6: Final answer
    x = 104,927.35

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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.