Home / 199,488.24-275,256.16-118,923.28

Finding the Fourth Proportional to 199,488.24, 275,256.16 and 118,923.28

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Solution

The fourth proportional to 199,488.24, 275,256.16 and 118,923.28 is: 164,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,488.24 : 275,256.16 = 118,923.28 : x
  2. Step 2: Convert to fraction form
    199,488.24/275,256.16 = 118,923.28/x
  3. Step 3: Cross multiply
    199,488.24x = 275,256.16 × 118,923.28
  4. Step 4: Simplify right side
    199,488.24x = 32,734,365,387.40
  5. Step 5: Solve for x
    x = 32,734,365,387.40/199,488.24
  6. Step 6: Final answer
    x = 164,091.70

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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.