Home / 369,621.82-554,347.95-103,401.10

Finding the Fourth Proportional to 369,621.82, 554,347.95 and 103,401.10

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Solution

The fourth proportional to 369,621.82, 554,347.95 and 103,401.10 is: 155,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,621.82 : 554,347.95 = 103,401.10 : x
  2. Step 2: Convert to fraction form
    369,621.82/554,347.95 = 103,401.10/x
  3. Step 3: Cross multiply
    369,621.82x = 554,347.95 × 103,401.10
  4. Step 4: Simplify right side
    369,621.82x = 57,320,187,812.75
  5. Step 5: Solve for x
    x = 57,320,187,812.75/369,621.82
  6. Step 6: Final answer
    x = 155,077.93

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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.