Home / 127,484.16-191,224.48-57,313.76

Finding the Fourth Proportional to 127,484.16, 191,224.48 and 57,313.76

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Solution

The fourth proportional to 127,484.16, 191,224.48 and 57,313.76 is: 85,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,484.16 : 191,224.48 = 57,313.76 : x
  2. Step 2: Convert to fraction form
    127,484.16/191,224.48 = 57,313.76/x
  3. Step 3: Cross multiply
    127,484.16x = 191,224.48 × 57,313.76
  4. Step 4: Simplify right side
    127,484.16x = 10,959,793,952.84
  5. Step 5: Solve for x
    x = 10,959,793,952.84/127,484.16
  6. Step 6: Final answer
    x = 85,969.85

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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.