Home / 231,225.50-346,908.18-163,887.78

Finding the Fourth Proportional to 231,225.50, 346,908.18 and 163,887.78

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Solution

The fourth proportional to 231,225.50, 346,908.18 and 163,887.78 is: 245,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,225.50 : 346,908.18 = 163,887.78 : x
  2. Step 2: Convert to fraction form
    231,225.50/346,908.18 = 163,887.78/x
  3. Step 3: Cross multiply
    231,225.50x = 346,908.18 × 163,887.78
  4. Step 4: Simplify right side
    231,225.50x = 56,854,011,484.04
  5. Step 5: Solve for x
    x = 56,854,011,484.04/231,225.50
  6. Step 6: Final answer
    x = 245,881.23

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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.