Home / 153,657.90-212,131.44-106,166.52

Finding the Fourth Proportional to 153,657.90, 212,131.44 and 106,166.52

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Solution

The fourth proportional to 153,657.90, 212,131.44 and 106,166.52 is: 146,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,657.90 : 212,131.44 = 106,166.52 : x
  2. Step 2: Convert to fraction form
    153,657.90/212,131.44 = 106,166.52/x
  3. Step 3: Cross multiply
    153,657.90x = 212,131.44 × 106,166.52
  4. Step 4: Simplify right side
    153,657.90x = 22,521,256,767.39
  5. Step 5: Solve for x
    x = 22,521,256,767.39/153,657.90
  6. Step 6: Final answer
    x = 146,567.52

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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.