Home / 153,964.45-230,858.49-47,320.66

Finding the Fourth Proportional to 153,964.45, 230,858.49 and 47,320.66

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Solution

The fourth proportional to 153,964.45, 230,858.49 and 47,320.66 is: 70,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,964.45 : 230,858.49 = 47,320.66 : x
  2. Step 2: Convert to fraction form
    153,964.45/230,858.49 = 47,320.66/x
  3. Step 3: Cross multiply
    153,964.45x = 230,858.49 × 47,320.66
  4. Step 4: Simplify right side
    153,964.45x = 10,924,376,113.40
  5. Step 5: Solve for x
    x = 10,924,376,113.40/153,964.45
  6. Step 6: Final answer
    x = 70,953.89

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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.