Home / 185,609.05-256,140.34-105,035.11

Finding the Fourth Proportional to 185,609.05, 256,140.34 and 105,035.11

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Solution

The fourth proportional to 185,609.05, 256,140.34 and 105,035.11 is: 144,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,609.05 : 256,140.34 = 105,035.11 : x
  2. Step 2: Convert to fraction form
    185,609.05/256,140.34 = 105,035.11/x
  3. Step 3: Cross multiply
    185,609.05x = 256,140.34 × 105,035.11
  4. Step 4: Simplify right side
    185,609.05x = 26,903,728,787.34
  5. Step 5: Solve for x
    x = 26,903,728,787.34/185,609.05
  6. Step 6: Final answer
    x = 144,948.37

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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.