Home / 272,002.05-375,255.38-157,259.68

Finding the Fourth Proportional to 272,002.05, 375,255.38 and 157,259.68

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Solution

The fourth proportional to 272,002.05, 375,255.38 and 157,259.68 is: 216,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,002.05 : 375,255.38 = 157,259.68 : x
  2. Step 2: Convert to fraction form
    272,002.05/375,255.38 = 157,259.68/x
  3. Step 3: Cross multiply
    272,002.05x = 375,255.38 × 157,259.68
  4. Step 4: Simplify right side
    272,002.05x = 59,012,540,432.09
  5. Step 5: Solve for x
    x = 59,012,540,432.09/272,002.05
  6. Step 6: Final answer
    x = 216,956.23

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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.