Home / 343,799.74-474,419.88-190,825.91

Finding the Fourth Proportional to 343,799.74, 474,419.88 and 190,825.91

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Solution

The fourth proportional to 343,799.74, 474,419.88 and 190,825.91 is: 263,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,799.74 : 474,419.88 = 190,825.91 : x
  2. Step 2: Convert to fraction form
    343,799.74/474,419.88 = 190,825.91/x
  3. Step 3: Cross multiply
    343,799.74x = 474,419.88 × 190,825.91
  4. Step 4: Simplify right side
    343,799.74x = 90,531,602,950.99
  5. Step 5: Solve for x
    x = 90,531,602,950.99/343,799.74
  6. Step 6: Final answer
    x = 263,326.56

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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.