Home / 289,450.12-399,446.95-168,599.19

Finding the Fourth Proportional to 289,450.12, 399,446.95 and 168,599.19

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Solution

The fourth proportional to 289,450.12, 399,446.95 and 168,599.19 is: 232,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,450.12 : 399,446.95 = 168,599.19 : x
  2. Step 2: Convert to fraction form
    289,450.12/399,446.95 = 168,599.19/x
  3. Step 3: Cross multiply
    289,450.12x = 399,446.95 × 168,599.19
  4. Step 4: Simplify right side
    289,450.12x = 67,346,432,217.97
  5. Step 5: Solve for x
    x = 67,346,432,217.97/289,450.12
  6. Step 6: Final answer
    x = 232,670.25

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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.