Home / 166,307.64-229,504.15-90,856.68

Finding the Fourth Proportional to 166,307.64, 229,504.15 and 90,856.68

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Solution

The fourth proportional to 166,307.64, 229,504.15 and 90,856.68 is: 125,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,307.64 : 229,504.15 = 90,856.68 : x
  2. Step 2: Convert to fraction form
    166,307.64/229,504.15 = 90,856.68/x
  3. Step 3: Cross multiply
    166,307.64x = 229,504.15 × 90,856.68
  4. Step 4: Simplify right side
    166,307.64x = 20,851,985,115.22
  5. Step 5: Solve for x
    x = 20,851,985,115.22/166,307.64
  6. Step 6: Final answer
    x = 125,382.00

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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.