Home / 369,118.32-553,677.66-102,885.72

Finding the Fourth Proportional to 369,118.32, 553,677.66 and 102,885.72

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Solution

The fourth proportional to 369,118.32, 553,677.66 and 102,885.72 is: 154,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,118.32 : 553,677.66 = 102,885.72 : x
  2. Step 2: Convert to fraction form
    369,118.32/553,677.66 = 102,885.72/x
  3. Step 3: Cross multiply
    369,118.32x = 553,677.66 × 102,885.72
  4. Step 4: Simplify right side
    369,118.32x = 56,965,524,697.02
  5. Step 5: Solve for x
    x = 56,965,524,697.02/369,118.32
  6. Step 6: Final answer
    x = 154,328.63

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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.