Home / 102,326.15-153,205.83-52,298.53

Finding the Fourth Proportional to 102,326.15, 153,205.83 and 52,298.53

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Solution

The fourth proportional to 102,326.15, 153,205.83 and 52,298.53 is: 78,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,326.15 : 153,205.83 = 52,298.53 : x
  2. Step 2: Convert to fraction form
    102,326.15/153,205.83 = 52,298.53/x
  3. Step 3: Cross multiply
    102,326.15x = 153,205.83 × 52,298.53
  4. Step 4: Simplify right side
    102,326.15x = 8,012,439,313.42
  5. Step 5: Solve for x
    x = 8,012,439,313.42/102,326.15
  6. Step 6: Final answer
    x = 78,302.95

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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.