Home / 369,581.96-554,288.18-103,361.28

Finding the Fourth Proportional to 369,581.96, 554,288.18 and 103,361.28

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Solution

The fourth proportional to 369,581.96, 554,288.18 and 103,361.28 is: 155,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,581.96 : 554,288.18 = 103,361.28 : x
  2. Step 2: Convert to fraction form
    369,581.96/554,288.18 = 103,361.28/x
  3. Step 3: Cross multiply
    369,581.96x = 554,288.18 × 103,361.28
  4. Step 4: Simplify right side
    369,581.96x = 57,291,936,877.56
  5. Step 5: Solve for x
    x = 57,291,936,877.56/369,581.96
  6. Step 6: Final answer
    x = 155,018.22

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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.