Home / 154,761.18-213,026.40-135,595.77

Finding the Fourth Proportional to 154,761.18, 213,026.40 and 135,595.77

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Solution

The fourth proportional to 154,761.18, 213,026.40 and 135,595.77 is: 186,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,761.18 : 213,026.40 = 135,595.77 : x
  2. Step 2: Convert to fraction form
    154,761.18/213,026.40 = 135,595.77/x
  3. Step 3: Cross multiply
    154,761.18x = 213,026.40 × 135,595.77
  4. Step 4: Simplify right side
    154,761.18x = 28,885,478,738.33
  5. Step 5: Solve for x
    x = 28,885,478,738.33/154,761.18
  6. Step 6: Final answer
    x = 186,645.51

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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.