Home / 163,330.03-245,064.38-79,152.85

Finding the Fourth Proportional to 163,330.03, 245,064.38 and 79,152.85

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Solution

The fourth proportional to 163,330.03, 245,064.38 and 79,152.85 is: 118,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,330.03 : 245,064.38 = 79,152.85 : x
  2. Step 2: Convert to fraction form
    163,330.03/245,064.38 = 79,152.85/x
  3. Step 3: Cross multiply
    163,330.03x = 245,064.38 × 79,152.85
  4. Step 4: Simplify right side
    163,330.03x = 19,397,544,110.48
  5. Step 5: Solve for x
    x = 19,397,544,110.48/163,330.03
  6. Step 6: Final answer
    x = 118,762.88

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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.