Home / 151,091.22-208,511.34-83,113.44

Finding the Fourth Proportional to 151,091.22, 208,511.34 and 83,113.44

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Solution

The fourth proportional to 151,091.22, 208,511.34 and 83,113.44 is: 114,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,091.22 : 208,511.34 = 83,113.44 : x
  2. Step 2: Convert to fraction form
    151,091.22/208,511.34 = 83,113.44/x
  3. Step 3: Cross multiply
    151,091.22x = 208,511.34 × 83,113.44
  4. Step 4: Simplify right side
    151,091.22x = 17,330,094,746.41
  5. Step 5: Solve for x
    x = 17,330,094,746.41/151,091.22
  6. Step 6: Final answer
    x = 114,699.55

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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.