Home / 178,188-245,899.44-98,715.36

Finding the Fourth Proportional to 178,188, 245,899.44 and 98,715.36

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Solution

The fourth proportional to 178,188, 245,899.44 and 98,715.36 is: 136,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,188 : 245,899.44 = 98,715.36 : x
  2. Step 2: Convert to fraction form
    178,188/245,899.44 = 98,715.36/x
  3. Step 3: Cross multiply
    178,188x = 245,899.44 × 98,715.36
  4. Step 4: Simplify right side
    178,188x = 24,274,051,743.40
  5. Step 5: Solve for x
    x = 24,274,051,743.40/178,188
  6. Step 6: Final answer
    x = 136,227.20

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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.