Home / 185,599.08-256,127.44-100,716.16

Finding the Fourth Proportional to 185,599.08, 256,127.44 and 100,716.16

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Solution

The fourth proportional to 185,599.08, 256,127.44 and 100,716.16 is: 138,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,599.08 : 256,127.44 = 100,716.16 : x
  2. Step 2: Convert to fraction form
    185,599.08/256,127.44 = 100,716.16/x
  3. Step 3: Cross multiply
    185,599.08x = 256,127.44 × 100,716.16
  4. Step 4: Simplify right side
    185,599.08x = 25,796,172,227.43
  5. Step 5: Solve for x
    x = 25,796,172,227.43/185,599.08
  6. Step 6: Final answer
    x = 138,988.69

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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.