Home / 351,350.74-484,864.16-190,205.78

Finding the Fourth Proportional to 351,350.74, 484,864.16 and 190,205.78

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Solution

The fourth proportional to 351,350.74, 484,864.16 and 190,205.78 is: 262,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,350.74 : 484,864.16 = 190,205.78 : x
  2. Step 2: Convert to fraction form
    351,350.74/484,864.16 = 190,205.78/x
  3. Step 3: Cross multiply
    351,350.74x = 484,864.16 × 190,205.78
  4. Step 4: Simplify right side
    351,350.74x = 92,223,965,746.84
  5. Step 5: Solve for x
    x = 92,223,965,746.84/351,350.74
  6. Step 6: Final answer
    x = 262,484.05

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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.