Home / 369,986.22-554,754.60-145,077.20

Finding the Fourth Proportional to 369,986.22, 554,754.60 and 145,077.20

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Solution

The fourth proportional to 369,986.22, 554,754.60 and 145,077.20 is: 217,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.22 : 554,754.60 = 145,077.20 : x
  2. Step 2: Convert to fraction form
    369,986.22/554,754.60 = 145,077.20/x
  3. Step 3: Cross multiply
    369,986.22x = 554,754.60 × 145,077.20
  4. Step 4: Simplify right side
    369,986.22x = 80,482,244,055.12
  5. Step 5: Solve for x
    x = 80,482,244,055.12/369,986.22
  6. Step 6: Final answer
    x = 217,527.68

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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.