Home / 127,538.13-176,021.88-73,858.23

Finding the Fourth Proportional to 127,538.13, 176,021.88 and 73,858.23

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Solution

The fourth proportional to 127,538.13, 176,021.88 and 73,858.23 is: 101,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538.13 : 176,021.88 = 73,858.23 : x
  2. Step 2: Convert to fraction form
    127,538.13/176,021.88 = 73,858.23/x
  3. Step 3: Cross multiply
    127,538.13x = 176,021.88 × 73,858.23
  4. Step 4: Simplify right side
    127,538.13x = 13,000,664,498.07
  5. Step 5: Solve for x
    x = 13,000,664,498.07/127,538.13
  6. Step 6: Final answer
    x = 101,935.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.