Home / 156,937.21-216,591.51-93,274.45

Finding the Fourth Proportional to 156,937.21, 216,591.51 and 93,274.45

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Solution

The fourth proportional to 156,937.21, 216,591.51 and 93,274.45 is: 128,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.21 : 216,591.51 = 93,274.45 : x
  2. Step 2: Convert to fraction form
    156,937.21/216,591.51 = 93,274.45/x
  3. Step 3: Cross multiply
    156,937.21x = 216,591.51 × 93,274.45
  4. Step 4: Simplify right side
    156,937.21x = 20,202,453,969.92
  5. Step 5: Solve for x
    x = 20,202,453,969.92/156,937.21
  6. Step 6: Final answer
    x = 128,729.53

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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.