Home / 199,048.07-274,681.75-108,403.76

Finding the Fourth Proportional to 199,048.07, 274,681.75 and 108,403.76

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Solution

The fourth proportional to 199,048.07, 274,681.75 and 108,403.76 is: 149,594.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,048.07 : 274,681.75 = 108,403.76 : x
  2. Step 2: Convert to fraction form
    199,048.07/274,681.75 = 108,403.76/x
  3. Step 3: Cross multiply
    199,048.07x = 274,681.75 × 108,403.76
  4. Step 4: Simplify right side
    199,048.07x = 29,776,534,503.38
  5. Step 5: Solve for x
    x = 29,776,534,503.38/199,048.07
  6. Step 6: Final answer
    x = 149,594.69

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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.