Home / 343,839.03-474,490.35-190,868.28

Finding the Fourth Proportional to 343,839.03, 474,490.35 and 190,868.28

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Solution

The fourth proportional to 343,839.03, 474,490.35 and 190,868.28 is: 263,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,839.03 : 474,490.35 = 190,868.28 : x
  2. Step 2: Convert to fraction form
    343,839.03/474,490.35 = 190,868.28/x
  3. Step 3: Cross multiply
    343,839.03x = 474,490.35 × 190,868.28
  4. Step 4: Simplify right side
    343,839.03x = 90,565,156,981.10
  5. Step 5: Solve for x
    x = 90,565,156,981.10/343,839.03
  6. Step 6: Final answer
    x = 263,394.06

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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.