Home / 313,560.56-432,547.70-198,636.44

Finding the Fourth Proportional to 313,560.56, 432,547.70 and 198,636.44

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Solution

The fourth proportional to 313,560.56, 432,547.70 and 198,636.44 is: 274,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,560.56 : 432,547.70 = 198,636.44 : x
  2. Step 2: Convert to fraction form
    313,560.56/432,547.70 = 198,636.44/x
  3. Step 3: Cross multiply
    313,560.56x = 432,547.70 × 198,636.44
  4. Step 4: Simplify right side
    313,560.56x = 85,919,735,258.19
  5. Step 5: Solve for x
    x = 85,919,735,258.19/313,560.56
  6. Step 6: Final answer
    x = 274,013.21

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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.