Home / 315,012.11-434,750.01-192,576.16

Finding the Fourth Proportional to 315,012.11, 434,750.01 and 192,576.16

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Solution

The fourth proportional to 315,012.11, 434,750.01 and 192,576.16 is: 265,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,012.11 : 434,750.01 = 192,576.16 : x
  2. Step 2: Convert to fraction form
    315,012.11/434,750.01 = 192,576.16/x
  3. Step 3: Cross multiply
    315,012.11x = 434,750.01 × 192,576.16
  4. Step 4: Simplify right side
    315,012.11x = 83,722,486,398.89
  5. Step 5: Solve for x
    x = 83,722,486,398.89/315,012.11
  6. Step 6: Final answer
    x = 265,775.45

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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.