Home / 109,068.14-163,605.86-30,175.76

Finding the Fourth Proportional to 109,068.14, 163,605.86 and 30,175.76

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Solution

The fourth proportional to 109,068.14, 163,605.86 and 30,175.76 is: 45,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,068.14 : 163,605.86 = 30,175.76 : x
  2. Step 2: Convert to fraction form
    109,068.14/163,605.86 = 30,175.76/x
  3. Step 3: Cross multiply
    109,068.14x = 163,605.86 × 30,175.76
  4. Step 4: Simplify right side
    109,068.14x = 4,936,931,015.07
  5. Step 5: Solve for x
    x = 4,936,931,015.07/109,068.14
  6. Step 6: Final answer
    x = 45,264.65

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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.