Home / 155,288.46-214,335.63-144,782.22

Finding the Fourth Proportional to 155,288.46, 214,335.63 and 144,782.22

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Solution

The fourth proportional to 155,288.46, 214,335.63 and 144,782.22 is: 199,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,288.46 : 214,335.63 = 144,782.22 : x
  2. Step 2: Convert to fraction form
    155,288.46/214,335.63 = 144,782.22/x
  3. Step 3: Cross multiply
    155,288.46x = 214,335.63 × 144,782.22
  4. Step 4: Simplify right side
    155,288.46x = 31,031,988,336.50
  5. Step 5: Solve for x
    x = 31,031,988,336.50/155,288.46
  6. Step 6: Final answer
    x = 199,834.48

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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.