Home / 173,085.51-238,841.83-100,469.14

Finding the Fourth Proportional to 173,085.51, 238,841.83 and 100,469.14

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Solution

The fourth proportional to 173,085.51, 238,841.83 and 100,469.14 is: 138,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,085.51 : 238,841.83 = 100,469.14 : x
  2. Step 2: Convert to fraction form
    173,085.51/238,841.83 = 100,469.14/x
  3. Step 3: Cross multiply
    173,085.51x = 238,841.83 × 100,469.14
  4. Step 4: Simplify right side
    173,085.51x = 23,996,232,407.85
  5. Step 5: Solve for x
    x = 23,996,232,407.85/173,085.51
  6. Step 6: Final answer
    x = 138,638.02

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1.5x scale

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.