Home / 355,293.18-490,305.87-194,148.23

Finding the Fourth Proportional to 355,293.18, 490,305.87 and 194,148.23

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Solution

The fourth proportional to 355,293.18, 490,305.87 and 194,148.23 is: 267,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,293.18 : 490,305.87 = 194,148.23 : x
  2. Step 2: Convert to fraction form
    355,293.18/490,305.87 = 194,148.23/x
  3. Step 3: Cross multiply
    355,293.18x = 490,305.87 × 194,148.23
  4. Step 4: Simplify right side
    355,293.18x = 95,192,015,848.37
  5. Step 5: Solve for x
    x = 95,192,015,848.37/355,293.18
  6. Step 6: Final answer
    x = 267,925.26

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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.