Home / 127,752.27-191,628.41-57,651.63

Finding the Fourth Proportional to 127,752.27, 191,628.41 and 57,651.63

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Solution

The fourth proportional to 127,752.27, 191,628.41 and 57,651.63 is: 86,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,752.27 : 191,628.41 = 57,651.63 : x
  2. Step 2: Convert to fraction form
    127,752.27/191,628.41 = 57,651.63/x
  3. Step 3: Cross multiply
    127,752.27x = 191,628.41 × 57,651.63
  4. Step 4: Simplify right side
    127,752.27x = 11,047,689,902.55
  5. Step 5: Solve for x
    x = 11,047,689,902.55/127,752.27
  6. Step 6: Final answer
    x = 86,477.45

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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.