Home / 109,066.14-163,602.86-30,173.76

Finding the Fourth Proportional to 109,066.14, 163,602.86 and 30,173.76

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Solution

The fourth proportional to 109,066.14, 163,602.86 and 30,173.76 is: 45,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,066.14 : 163,602.86 = 30,173.76 : x
  2. Step 2: Convert to fraction form
    109,066.14/163,602.86 = 30,173.76/x
  3. Step 3: Cross multiply
    109,066.14x = 163,602.86 × 30,173.76
  4. Step 4: Simplify right side
    109,066.14x = 4,936,513,282.08
  5. Step 5: Solve for x
    x = 4,936,513,282.08/109,066.14
  6. Step 6: Final answer
    x = 45,261.65

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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.