Home / 291,949.48-402,966.18-190,253.80

Finding the Fourth Proportional to 291,949.48, 402,966.18 and 190,253.80

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Solution

The fourth proportional to 291,949.48, 402,966.18 and 190,253.80 is: 262,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,949.48 : 402,966.18 = 190,253.80 : x
  2. Step 2: Convert to fraction form
    291,949.48/402,966.18 = 190,253.80/x
  3. Step 3: Cross multiply
    291,949.48x = 402,966.18 × 190,253.80
  4. Step 4: Simplify right side
    291,949.48x = 76,665,847,016.48
  5. Step 5: Solve for x
    x = 76,665,847,016.48/291,949.48
  6. Step 6: Final answer
    x = 262,599.70

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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.