Home / 341,501.36-471,271.80-198,288.56

Finding the Fourth Proportional to 341,501.36, 471,271.80 and 198,288.56

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Solution

The fourth proportional to 341,501.36, 471,271.80 and 198,288.56 is: 273,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,501.36 : 471,271.80 = 198,288.56 : x
  2. Step 2: Convert to fraction form
    341,501.36/471,271.80 = 198,288.56/x
  3. Step 3: Cross multiply
    341,501.36x = 471,271.80 × 198,288.56
  4. Step 4: Simplify right side
    341,501.36x = 93,447,806,590.61
  5. Step 5: Solve for x
    x = 93,447,806,590.61/341,501.36
  6. Step 6: Final answer
    x = 273,638.17

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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.