Home / 185,683.28-256,241.52-100,798.64

Finding the Fourth Proportional to 185,683.28, 256,241.52 and 100,798.64

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Solution

The fourth proportional to 185,683.28, 256,241.52 and 100,798.64 is: 139,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,683.28 : 256,241.52 = 100,798.64 : x
  2. Step 2: Convert to fraction form
    185,683.28/256,241.52 = 100,798.64/x
  3. Step 3: Cross multiply
    185,683.28x = 256,241.52 × 100,798.64
  4. Step 4: Simplify right side
    185,683.28x = 25,828,796,727.53
  5. Step 5: Solve for x
    x = 25,828,796,727.53/185,683.28
  6. Step 6: Final answer
    x = 139,101.36

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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.