Home / 369,599.23-554,433.86-103,359.70

Finding the Fourth Proportional to 369,599.23, 554,433.86 and 103,359.70

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Solution

The fourth proportional to 369,599.23, 554,433.86 and 103,359.70 is: 155,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,599.23 : 554,433.86 = 103,359.70 : x
  2. Step 2: Convert to fraction form
    369,599.23/554,433.86 = 103,359.70/x
  3. Step 3: Cross multiply
    369,599.23x = 554,433.86 × 103,359.70
  4. Step 4: Simplify right side
    369,599.23x = 57,306,117,439.44
  5. Step 5: Solve for x
    x = 57,306,117,439.44/369,599.23
  6. Step 6: Final answer
    x = 155,049.34

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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.