Home / 176,705.08-265,142.76-87,966.40

Finding the Fourth Proportional to 176,705.08, 265,142.76 and 87,966.40

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Solution

The fourth proportional to 176,705.08, 265,142.76 and 87,966.40 is: 131,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,705.08 : 265,142.76 = 87,966.40 : x
  2. Step 2: Convert to fraction form
    176,705.08/265,142.76 = 87,966.40/x
  3. Step 3: Cross multiply
    176,705.08x = 265,142.76 × 87,966.40
  4. Step 4: Simplify right side
    176,705.08x = 23,323,654,083.26
  5. Step 5: Solve for x
    x = 23,323,654,083.26/176,705.08
  6. Step 6: Final answer
    x = 131,991.98

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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.