Home / 343,588.20-474,135.71-190,624.76

Finding the Fourth Proportional to 343,588.20, 474,135.71 and 190,624.76

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Solution

The fourth proportional to 343,588.20, 474,135.71 and 190,624.76 is: 263,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,588.20 : 474,135.71 = 190,624.76 : x
  2. Step 2: Convert to fraction form
    343,588.20/474,135.71 = 190,624.76/x
  3. Step 3: Cross multiply
    343,588.20x = 474,135.71 × 190,624.76
  4. Step 4: Simplify right side
    343,588.20x = 90,382,005,926.18
  5. Step 5: Solve for x
    x = 90,382,005,926.18/343,588.20
  6. Step 6: Final answer
    x = 263,053.29

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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.