Home / 136,263.13-188,041.65-75,832.76

Finding the Fourth Proportional to 136,263.13, 188,041.65 and 75,832.76

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Solution

The fourth proportional to 136,263.13, 188,041.65 and 75,832.76 is: 104,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,263.13 : 188,041.65 = 75,832.76 : x
  2. Step 2: Convert to fraction form
    136,263.13/188,041.65 = 75,832.76/x
  3. Step 3: Cross multiply
    136,263.13x = 188,041.65 × 75,832.76
  4. Step 4: Simplify right side
    136,263.13x = 14,259,717,314.45
  5. Step 5: Solve for x
    x = 14,259,717,314.45/136,263.13
  6. Step 6: Final answer
    x = 104,648.39

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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.