Home / 221,618.17-332,197.35-103,192.12

Finding the Fourth Proportional to 221,618.17, 332,197.35 and 103,192.12

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Solution

The fourth proportional to 221,618.17, 332,197.35 and 103,192.12 is: 154,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,618.17 : 332,197.35 = 103,192.12 : x
  2. Step 2: Convert to fraction form
    221,618.17/332,197.35 = 103,192.12/x
  3. Step 3: Cross multiply
    221,618.17x = 332,197.35 × 103,192.12
  4. Step 4: Simplify right side
    221,618.17x = 34,280,148,804.88
  5. Step 5: Solve for x
    x = 34,280,148,804.88/221,618.17
  6. Step 6: Final answer
    x = 154,681.13

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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.