Home / 220,143.24-330,145.73-93,782.16

Finding the Fourth Proportional to 220,143.24, 330,145.73 and 93,782.16

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Solution

The fourth proportional to 220,143.24, 330,145.73 and 93,782.16 is: 140,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,143.24 : 330,145.73 = 93,782.16 : x
  2. Step 2: Convert to fraction form
    220,143.24/330,145.73 = 93,782.16/x
  3. Step 3: Cross multiply
    220,143.24x = 330,145.73 × 93,782.16
  4. Step 4: Simplify right side
    220,143.24x = 30,961,779,674.18
  5. Step 5: Solve for x
    x = 30,961,779,674.18/220,143.24
  6. Step 6: Final answer
    x = 140,643.79

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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.