Home / 369,267.78-553,995.10-103,028.18

Finding the Fourth Proportional to 369,267.78, 553,995.10 and 103,028.18

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Solution

The fourth proportional to 369,267.78, 553,995.10 and 103,028.18 is: 154,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,267.78 : 553,995.10 = 103,028.18 : x
  2. Step 2: Convert to fraction form
    369,267.78/553,995.10 = 103,028.18/x
  3. Step 3: Cross multiply
    369,267.78x = 553,995.10 × 103,028.18
  4. Step 4: Simplify right side
    369,267.78x = 57,077,106,881.92
  5. Step 5: Solve for x
    x = 57,077,106,881.92/369,267.78
  6. Step 6: Final answer
    x = 154,568.34

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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.