Home / 147,590.07-203,726.88-87,160.96

Finding the Fourth Proportional to 147,590.07, 203,726.88 and 87,160.96

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Solution

The fourth proportional to 147,590.07, 203,726.88 and 87,160.96 is: 120,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,590.07 : 203,726.88 = 87,160.96 : x
  2. Step 2: Convert to fraction form
    147,590.07/203,726.88 = 87,160.96/x
  3. Step 3: Cross multiply
    147,590.07x = 203,726.88 × 87,160.96
  4. Step 4: Simplify right side
    147,590.07x = 17,757,030,438.60
  5. Step 5: Solve for x
    x = 17,757,030,438.60/147,590.07
  6. Step 6: Final answer
    x = 120,313.18

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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.