Home / 129,050.54-177,677.79-110,111.66

Finding the Fourth Proportional to 129,050.54, 177,677.79 and 110,111.66

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Solution

The fourth proportional to 129,050.54, 177,677.79 and 110,111.66 is: 151,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,050.54 : 177,677.79 = 110,111.66 : x
  2. Step 2: Convert to fraction form
    129,050.54/177,677.79 = 110,111.66/x
  3. Step 3: Cross multiply
    129,050.54x = 177,677.79 × 110,111.66
  4. Step 4: Simplify right side
    129,050.54x = 19,564,396,402.03
  5. Step 5: Solve for x
    x = 19,564,396,402.03/129,050.54
  6. Step 6: Final answer
    x = 151,602.59

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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.