Home / 278,226.04-417,058.64-109,681.14

Finding the Fourth Proportional to 278,226.04, 417,058.64 and 109,681.14

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Solution

The fourth proportional to 278,226.04, 417,058.64 and 109,681.14 is: 164,411.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,226.04 : 417,058.64 = 109,681.14 : x
  2. Step 2: Convert to fraction form
    278,226.04/417,058.64 = 109,681.14/x
  3. Step 3: Cross multiply
    278,226.04x = 417,058.64 × 109,681.14
  4. Step 4: Simplify right side
    278,226.04x = 45,743,467,082.05
  5. Step 5: Solve for x
    x = 45,743,467,082.05/278,226.04
  6. Step 6: Final answer
    x = 164,411.16

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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.