Home / 153,372.57-211,579.95-98,910.37

Finding the Fourth Proportional to 153,372.57, 211,579.95 and 98,910.37

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Solution

The fourth proportional to 153,372.57, 211,579.95 and 98,910.37 is: 136,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,372.57 : 211,579.95 = 98,910.37 : x
  2. Step 2: Convert to fraction form
    153,372.57/211,579.95 = 98,910.37/x
  3. Step 3: Cross multiply
    153,372.57x = 211,579.95 × 98,910.37
  4. Step 4: Simplify right side
    153,372.57x = 20,927,451,139.08
  5. Step 5: Solve for x
    x = 20,927,451,139.08/153,372.57
  6. Step 6: Final answer
    x = 136,448.46

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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.