Home / 277,856.07-383,422.46-157,002.45

Finding the Fourth Proportional to 277,856.07, 383,422.46 and 157,002.45

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Solution

The fourth proportional to 277,856.07, 383,422.46 and 157,002.45 is: 216,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,856.07 : 383,422.46 = 157,002.45 : x
  2. Step 2: Convert to fraction form
    277,856.07/383,422.46 = 157,002.45/x
  3. Step 3: Cross multiply
    277,856.07x = 383,422.46 × 157,002.45
  4. Step 4: Simplify right side
    277,856.07x = 60,198,264,820.01
  5. Step 5: Solve for x
    x = 60,198,264,820.01/277,856.07
  6. Step 6: Final answer
    x = 216,652.69

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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.