Home / 157,143.48-235,440.18-107,061

Finding the Fourth Proportional to 157,143.48, 235,440.18 and 107,061

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Solution

The fourth proportional to 157,143.48, 235,440.18 and 107,061 is: 160,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,143.48 : 235,440.18 = 107,061 : x
  2. Step 2: Convert to fraction form
    157,143.48/235,440.18 = 107,061/x
  3. Step 3: Cross multiply
    157,143.48x = 235,440.18 × 107,061
  4. Step 4: Simplify right side
    157,143.48x = 25,206,461,110.98
  5. Step 5: Solve for x
    x = 25,206,461,110.98/157,143.48
  6. Step 6: Final answer
    x = 160,404.12

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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.