Home / 291,783.17-402,652.73-162,725.55

Finding the Fourth Proportional to 291,783.17, 402,652.73 and 162,725.55

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Solution

The fourth proportional to 291,783.17, 402,652.73 and 162,725.55 is: 224,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,783.17 : 402,652.73 = 162,725.55 : x
  2. Step 2: Convert to fraction form
    291,783.17/402,652.73 = 162,725.55/x
  3. Step 3: Cross multiply
    291,783.17x = 402,652.73 × 162,725.55
  4. Step 4: Simplify right side
    291,783.17x = 65,521,886,134.62
  5. Step 5: Solve for x
    x = 65,521,886,134.62/291,783.17
  6. Step 6: Final answer
    x = 224,556.77

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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.