Home / 369,705.03-554,557.64-103,504.76

Finding the Fourth Proportional to 369,705.03, 554,557.64 and 103,504.76

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Solution

The fourth proportional to 369,705.03, 554,557.64 and 103,504.76 is: 155,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,705.03 : 554,557.64 = 103,504.76 : x
  2. Step 2: Convert to fraction form
    369,705.03/554,557.64 = 103,504.76/x
  3. Step 3: Cross multiply
    369,705.03x = 554,557.64 × 103,504.76
  4. Step 4: Simplify right side
    369,705.03x = 57,399,352,144.05
  5. Step 5: Solve for x
    x = 57,399,352,144.05/369,705.03
  6. Step 6: Final answer
    x = 155,257.16

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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.