Home / 127,528.08-175,985.64-73,805.64

Finding the Fourth Proportional to 127,528.08, 175,985.64 and 73,805.64

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Solution

The fourth proportional to 127,528.08, 175,985.64 and 73,805.64 is: 101,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528.08 : 175,985.64 = 73,805.64 : x
  2. Step 2: Convert to fraction form
    127,528.08/175,985.64 = 73,805.64/x
  3. Step 3: Cross multiply
    127,528.08x = 175,985.64 × 73,805.64
  4. Step 4: Simplify right side
    127,528.08x = 12,988,732,791.01
  5. Step 5: Solve for x
    x = 12,988,732,791.01/127,528.08
  6. Step 6: Final answer
    x = 101,849.98

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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.