Home / 156,833.82-216,431.56-92,305.47

Finding the Fourth Proportional to 156,833.82, 216,431.56 and 92,305.47

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Solution

The fourth proportional to 156,833.82, 216,431.56 and 92,305.47 is: 127,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,833.82 : 216,431.56 = 92,305.47 : x
  2. Step 2: Convert to fraction form
    156,833.82/216,431.56 = 92,305.47/x
  3. Step 3: Cross multiply
    156,833.82x = 216,431.56 × 92,305.47
  4. Step 4: Simplify right side
    156,833.82x = 19,977,817,795.63
  5. Step 5: Solve for x
    x = 19,977,817,795.63/156,833.82
  6. Step 6: Final answer
    x = 127,382.08

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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.