Home / 343,928.11-474,621.78-190,966.63

Finding the Fourth Proportional to 343,928.11, 474,621.78 and 190,966.63

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Solution

The fourth proportional to 343,928.11, 474,621.78 and 190,966.63 is: 263,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,928.11 : 474,621.78 = 190,966.63 : x
  2. Step 2: Convert to fraction form
    343,928.11/474,621.78 = 190,966.63/x
  3. Step 3: Cross multiply
    343,928.11x = 474,621.78 × 190,966.63
  4. Step 4: Simplify right side
    343,928.11x = 90,636,921,851.20
  5. Step 5: Solve for x
    x = 90,636,921,851.20/343,928.11
  6. Step 6: Final answer
    x = 263,534.50

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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.