Home / 289,185.18-398,869.56-176,015.22

Finding the Fourth Proportional to 289,185.18, 398,869.56 and 176,015.22

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Solution

The fourth proportional to 289,185.18, 398,869.56 and 176,015.22 is: 242,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,185.18 : 398,869.56 = 176,015.22 : x
  2. Step 2: Convert to fraction form
    289,185.18/398,869.56 = 176,015.22/x
  3. Step 3: Cross multiply
    289,185.18x = 398,869.56 × 176,015.22
  4. Step 4: Simplify right side
    289,185.18x = 70,207,113,354.70
  5. Step 5: Solve for x
    x = 70,207,113,354.70/289,185.18
  6. Step 6: Final answer
    x = 242,775.63

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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.