Home / 185,549.28-256,056.93-100,664.52

Finding the Fourth Proportional to 185,549.28, 256,056.93 and 100,664.52

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Solution

The fourth proportional to 185,549.28, 256,056.93 and 100,664.52 is: 138,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.28 : 256,056.93 = 100,664.52 : x
  2. Step 2: Convert to fraction form
    185,549.28/256,056.93 = 100,664.52/x
  3. Step 3: Cross multiply
    185,549.28x = 256,056.93 × 100,664.52
  4. Step 4: Simplify right side
    185,549.28x = 25,775,847,688.47
  5. Step 5: Solve for x
    x = 25,775,847,688.47/185,549.28
  6. Step 6: Final answer
    x = 138,916.45

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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.