Home / 109,211.48-163,817.10-34,338.18

Finding the Fourth Proportional to 109,211.48, 163,817.10 and 34,338.18

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Solution

The fourth proportional to 109,211.48, 163,817.10 and 34,338.18 is: 51,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211.48 : 163,817.10 = 34,338.18 : x
  2. Step 2: Convert to fraction form
    109,211.48/163,817.10 = 34,338.18/x
  3. Step 3: Cross multiply
    109,211.48x = 163,817.10 × 34,338.18
  4. Step 4: Simplify right side
    109,211.48x = 5,625,181,066.88
  5. Step 5: Solve for x
    x = 5,625,181,066.88/109,211.48
  6. Step 6: Final answer
    x = 51,507.23

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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.