Home / 369,302.29-553,855.02-103,015.90

Finding the Fourth Proportional to 369,302.29, 553,855.02 and 103,015.90

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Solution

The fourth proportional to 369,302.29, 553,855.02 and 103,015.90 is: 154,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,302.29 : 553,855.02 = 103,015.90 : x
  2. Step 2: Convert to fraction form
    369,302.29/553,855.02 = 103,015.90/x
  3. Step 3: Cross multiply
    369,302.29x = 553,855.02 × 103,015.90
  4. Step 4: Simplify right side
    369,302.29x = 57,055,873,660.83
  5. Step 5: Solve for x
    x = 57,055,873,660.83/369,302.29
  6. Step 6: Final answer
    x = 154,496.40

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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.