Home / 156,955.05-216,593.51-85,333.41

Finding the Fourth Proportional to 156,955.05, 216,593.51 and 85,333.41

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Solution

The fourth proportional to 156,955.05, 216,593.51 and 85,333.41 is: 117,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.05 : 216,593.51 = 85,333.41 : x
  2. Step 2: Convert to fraction form
    156,955.05/216,593.51 = 85,333.41/x
  3. Step 3: Cross multiply
    156,955.05x = 216,593.51 × 85,333.41
  4. Step 4: Simplify right side
    156,955.05x = 18,482,662,792.17
  5. Step 5: Solve for x
    x = 18,482,662,792.17/156,955.05
  6. Step 6: Final answer
    x = 117,757.68

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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.