Home / 153,166.68-211,148.44-101,397.04

Finding the Fourth Proportional to 153,166.68, 211,148.44 and 101,397.04

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Solution

The fourth proportional to 153,166.68, 211,148.44 and 101,397.04 is: 139,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,166.68 : 211,148.44 = 101,397.04 : x
  2. Step 2: Convert to fraction form
    153,166.68/211,148.44 = 101,397.04/x
  3. Step 3: Cross multiply
    153,166.68x = 211,148.44 × 101,397.04
  4. Step 4: Simplify right side
    153,166.68x = 21,409,826,816.62
  5. Step 5: Solve for x
    x = 21,409,826,816.62/153,166.68
  6. Step 6: Final answer
    x = 139,781.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.