Home / 222,006.85-306,509.54-154,000.04

Finding the Fourth Proportional to 222,006.85, 306,509.54 and 154,000.04

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Solution

The fourth proportional to 222,006.85, 306,509.54 and 154,000.04 is: 212,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,006.85 : 306,509.54 = 154,000.04 : x
  2. Step 2: Convert to fraction form
    222,006.85/306,509.54 = 154,000.04/x
  3. Step 3: Cross multiply
    222,006.85x = 306,509.54 × 154,000.04
  4. Step 4: Simplify right side
    222,006.85x = 47,202,480,417.21
  5. Step 5: Solve for x
    x = 47,202,480,417.21/222,006.85
  6. Step 6: Final answer
    x = 212,617.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.