Home / 157,670.18-236,498.64-73,401.38

Finding the Fourth Proportional to 157,670.18, 236,498.64 and 73,401.38

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Solution

The fourth proportional to 157,670.18, 236,498.64 and 73,401.38 is: 110,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,670.18 : 236,498.64 = 73,401.38 : x
  2. Step 2: Convert to fraction form
    157,670.18/236,498.64 = 73,401.38/x
  3. Step 3: Cross multiply
    157,670.18x = 236,498.64 × 73,401.38
  4. Step 4: Simplify right side
    157,670.18x = 17,359,326,544.12
  5. Step 5: Solve for x
    x = 17,359,326,544.12/157,670.18
  6. Step 6: Final answer
    x = 110,098.98

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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.