Home / 185,598.26-256,130.52-100,715.36

Finding the Fourth Proportional to 185,598.26, 256,130.52 and 100,715.36

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Solution

The fourth proportional to 185,598.26, 256,130.52 and 100,715.36 is: 138,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,598.26 : 256,130.52 = 100,715.36 : x
  2. Step 2: Convert to fraction form
    185,598.26/256,130.52 = 100,715.36/x
  3. Step 3: Cross multiply
    185,598.26x = 256,130.52 × 100,715.36
  4. Step 4: Simplify right side
    185,598.26x = 25,796,277,528.79
  5. Step 5: Solve for x
    x = 25,796,277,528.79/185,598.26
  6. Step 6: Final answer
    x = 138,989.87

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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.