Home / 158,699.05-238,110.54-69,890.14

Finding the Fourth Proportional to 158,699.05, 238,110.54 and 69,890.14

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Solution

The fourth proportional to 158,699.05, 238,110.54 and 69,890.14 is: 104,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,699.05 : 238,110.54 = 69,890.14 : x
  2. Step 2: Convert to fraction form
    158,699.05/238,110.54 = 69,890.14/x
  3. Step 3: Cross multiply
    158,699.05x = 238,110.54 × 69,890.14
  4. Step 4: Simplify right side
    158,699.05x = 16,641,579,011.63
  5. Step 5: Solve for x
    x = 16,641,579,011.63/158,699.05
  6. Step 6: Final answer
    x = 104,862.50

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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.