Home / 355,117.23-532,680.71-198,343.35

Finding the Fourth Proportional to 355,117.23, 532,680.71 and 198,343.35

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Solution

The fourth proportional to 355,117.23, 532,680.71 and 198,343.35 is: 297,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,117.23 : 532,680.71 = 198,343.35 : x
  2. Step 2: Convert to fraction form
    355,117.23/532,680.71 = 198,343.35/x
  3. Step 3: Cross multiply
    355,117.23x = 532,680.71 × 198,343.35
  4. Step 4: Simplify right side
    355,117.23x = 105,653,675,510.06
  5. Step 5: Solve for x
    x = 105,653,675,510.06/355,117.23
  6. Step 6: Final answer
    x = 297,517.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.