Home / 127,935.90-191,903.85-112,383.90

Finding the Fourth Proportional to 127,935.90, 191,903.85 and 112,383.90

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Solution

The fourth proportional to 127,935.90, 191,903.85 and 112,383.90 is: 168,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,935.90 : 191,903.85 = 112,383.90 : x
  2. Step 2: Convert to fraction form
    127,935.90/191,903.85 = 112,383.90/x
  3. Step 3: Cross multiply
    127,935.90x = 191,903.85 × 112,383.90
  4. Step 4: Simplify right side
    127,935.90x = 21,566,903,088.02
  5. Step 5: Solve for x
    x = 21,566,903,088.02/127,935.90
  6. Step 6: Final answer
    x = 168,575.85

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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.