Home / 147,151.32-203,054.76-82,605.76

Finding the Fourth Proportional to 147,151.32, 203,054.76 and 82,605.76

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Solution

The fourth proportional to 147,151.32, 203,054.76 and 82,605.76 is: 113,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,151.32 : 203,054.76 = 82,605.76 : x
  2. Step 2: Convert to fraction form
    147,151.32/203,054.76 = 82,605.76/x
  3. Step 3: Cross multiply
    147,151.32x = 203,054.76 × 82,605.76
  4. Step 4: Simplify right side
    147,151.32x = 16,773,492,771.42
  5. Step 5: Solve for x
    x = 16,773,492,771.42/147,151.32
  6. Step 6: Final answer
    x = 113,988.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.