Home / 156,634.36-216,155.59-85,014.46

Finding the Fourth Proportional to 156,634.36, 216,155.59 and 85,014.46

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Solution

The fourth proportional to 156,634.36, 216,155.59 and 85,014.46 is: 117,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.36 : 216,155.59 = 85,014.46 : x
  2. Step 2: Convert to fraction form
    156,634.36/216,155.59 = 85,014.46/x
  3. Step 3: Cross multiply
    156,634.36x = 216,155.59 × 85,014.46
  4. Step 4: Simplify right side
    156,634.36x = 18,376,350,817.49
  5. Step 5: Solve for x
    x = 18,376,350,817.49/156,634.36
  6. Step 6: Final answer
    x = 117,320.05

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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.