Home / 369,723.60-554,583.60-144,925.20

Finding the Fourth Proportional to 369,723.60, 554,583.60 and 144,925.20

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Solution

The fourth proportional to 369,723.60, 554,583.60 and 144,925.20 is: 217,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,723.60 : 554,583.60 = 144,925.20 : x
  2. Step 2: Convert to fraction form
    369,723.60/554,583.60 = 144,925.20/x
  3. Step 3: Cross multiply
    369,723.60x = 554,583.60 × 144,925.20
  4. Step 4: Simplify right side
    369,723.60x = 80,373,139,146.72
  5. Step 5: Solve for x
    x = 80,373,139,146.72/369,723.60
  6. Step 6: Final answer
    x = 217,387.09

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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.