Home / 127,507.08-191,259.06-57,336.84

Finding the Fourth Proportional to 127,507.08, 191,259.06 and 57,336.84

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Solution

The fourth proportional to 127,507.08, 191,259.06 and 57,336.84 is: 86,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,507.08 : 191,259.06 = 57,336.84 : x
  2. Step 2: Convert to fraction form
    127,507.08/191,259.06 = 57,336.84/x
  3. Step 3: Cross multiply
    127,507.08x = 191,259.06 × 57,336.84
  4. Step 4: Simplify right side
    127,507.08x = 10,966,190,121.77
  5. Step 5: Solve for x
    x = 10,966,190,121.77/127,507.08
  6. Step 6: Final answer
    x = 86,004.56

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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.