Home / 127,195.29-175,429.35-112,675.01

Finding the Fourth Proportional to 127,195.29, 175,429.35 and 112,675.01

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Solution

The fourth proportional to 127,195.29, 175,429.35 and 112,675.01 is: 155,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,195.29 : 175,429.35 = 112,675.01 : x
  2. Step 2: Convert to fraction form
    127,195.29/175,429.35 = 112,675.01/x
  3. Step 3: Cross multiply
    127,195.29x = 175,429.35 × 112,675.01
  4. Step 4: Simplify right side
    127,195.29x = 19,766,502,888.40
  5. Step 5: Solve for x
    x = 19,766,502,888.40/127,195.29
  6. Step 6: Final answer
    x = 155,402.79

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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.