Home / 176,556.47-243,670.34-100,088.01

Finding the Fourth Proportional to 176,556.47, 243,670.34 and 100,088.01

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Solution

The fourth proportional to 176,556.47, 243,670.34 and 100,088.01 is: 138,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,556.47 : 243,670.34 = 100,088.01 : x
  2. Step 2: Convert to fraction form
    176,556.47/243,670.34 = 100,088.01/x
  3. Step 3: Cross multiply
    176,556.47x = 243,670.34 × 100,088.01
  4. Step 4: Simplify right side
    176,556.47x = 24,388,479,676.84
  5. Step 5: Solve for x
    x = 24,388,479,676.84/176,556.47
  6. Step 6: Final answer
    x = 138,134.16

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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.