Home / 219,985.01-303,579.51-119,383.01

Finding the Fourth Proportional to 219,985.01, 303,579.51 and 119,383.01

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Solution

The fourth proportional to 219,985.01, 303,579.51 and 119,383.01 is: 164,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,985.01 : 303,579.51 = 119,383.01 : x
  2. Step 2: Convert to fraction form
    219,985.01/303,579.51 = 119,383.01/x
  3. Step 3: Cross multiply
    219,985.01x = 303,579.51 × 119,383.01
  4. Step 4: Simplify right side
    219,985.01x = 36,242,235,678.13
  5. Step 5: Solve for x
    x = 36,242,235,678.13/219,985.01
  6. Step 6: Final answer
    x = 164,748.66

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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.