Home / 156,848.49-216,452.29-85,228.51

Finding the Fourth Proportional to 156,848.49, 216,452.29 and 85,228.51

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Solution

The fourth proportional to 156,848.49, 216,452.29 and 85,228.51 is: 117,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848.49 : 216,452.29 = 85,228.51 : x
  2. Step 2: Convert to fraction form
    156,848.49/216,452.29 = 85,228.51/x
  3. Step 3: Cross multiply
    156,848.49x = 216,452.29 × 85,228.51
  4. Step 4: Simplify right side
    156,848.49x = 18,447,906,220.28
  5. Step 5: Solve for x
    x = 18,447,906,220.28/156,848.49
  6. Step 6: Final answer
    x = 117,616.09

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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.