Home / 188,844.08-260,607.12-103,966.88

Finding the Fourth Proportional to 188,844.08, 260,607.12 and 103,966.88

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Solution

The fourth proportional to 188,844.08, 260,607.12 and 103,966.88 is: 143,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,844.08 : 260,607.12 = 103,966.88 : x
  2. Step 2: Convert to fraction form
    188,844.08/260,607.12 = 103,966.88/x
  3. Step 3: Cross multiply
    188,844.08x = 260,607.12 × 103,966.88
  4. Step 4: Simplify right side
    188,844.08x = 27,094,509,172.19
  5. Step 5: Solve for x
    x = 27,094,509,172.19/188,844.08
  6. Step 6: Final answer
    x = 143,475.55

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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.