Home / 193,430.20-290,145.30-60,309.40

Finding the Fourth Proportional to 193,430.20, 290,145.30 and 60,309.40

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Solution

The fourth proportional to 193,430.20, 290,145.30 and 60,309.40 is: 90,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,430.20 : 290,145.30 = 60,309.40 : x
  2. Step 2: Convert to fraction form
    193,430.20/290,145.30 = 60,309.40/x
  3. Step 3: Cross multiply
    193,430.20x = 290,145.30 × 60,309.40
  4. Step 4: Simplify right side
    193,430.20x = 17,498,488,955.82
  5. Step 5: Solve for x
    x = 17,498,488,955.82/193,430.20
  6. Step 6: Final answer
    x = 90,464.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.