Home / 156,534.93-216,017.28-84,913.38

Finding the Fourth Proportional to 156,534.93, 216,017.28 and 84,913.38

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Solution

The fourth proportional to 156,534.93, 216,017.28 and 84,913.38 is: 117,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,534.93 : 216,017.28 = 84,913.38 : x
  2. Step 2: Convert to fraction form
    156,534.93/216,017.28 = 84,913.38/x
  3. Step 3: Cross multiply
    156,534.93x = 216,017.28 × 84,913.38
  4. Step 4: Simplify right side
    156,534.93x = 18,342,757,383.21
  5. Step 5: Solve for x
    x = 18,342,757,383.21/156,534.93
  6. Step 6: Final answer
    x = 117,179.96

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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.