Home / 171,977.58-257,602.95-108,765.18

Finding the Fourth Proportional to 171,977.58, 257,602.95 and 108,765.18

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Solution

The fourth proportional to 171,977.58, 257,602.95 and 108,765.18 is: 162,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,977.58 : 257,602.95 = 108,765.18 : x
  2. Step 2: Convert to fraction form
    171,977.58/257,602.95 = 108,765.18/x
  3. Step 3: Cross multiply
    171,977.58x = 257,602.95 × 108,765.18
  4. Step 4: Simplify right side
    171,977.58x = 28,018,231,225.28
  5. Step 5: Solve for x
    x = 28,018,231,225.28/171,977.58
  6. Step 6: Final answer
    x = 162,917.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.