Home / 177,971.18-266,801.78-72,723.02

Finding the Fourth Proportional to 177,971.18, 266,801.78 and 72,723.02

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Solution

The fourth proportional to 177,971.18, 266,801.78 and 72,723.02 is: 109,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,971.18 : 266,801.78 = 72,723.02 : x
  2. Step 2: Convert to fraction form
    177,971.18/266,801.78 = 72,723.02/x
  3. Step 3: Cross multiply
    177,971.18x = 266,801.78 × 72,723.02
  4. Step 4: Simplify right side
    177,971.18x = 19,402,630,030.77
  5. Step 5: Solve for x
    x = 19,402,630,030.77/177,971.18
  6. Step 6: Final answer
    x = 109,021.19

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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.