Home / 136,445.94-188,309.24-76,026.42

Finding the Fourth Proportional to 136,445.94, 188,309.24 and 76,026.42

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Solution

The fourth proportional to 136,445.94, 188,309.24 and 76,026.42 is: 104,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,445.94 : 188,309.24 = 76,026.42 : x
  2. Step 2: Convert to fraction form
    136,445.94/188,309.24 = 76,026.42/x
  3. Step 3: Cross multiply
    136,445.94x = 188,309.24 × 76,026.42
  4. Step 4: Simplify right side
    136,445.94x = 14,316,477,370.12
  5. Step 5: Solve for x
    x = 14,316,477,370.12/136,445.94
  6. Step 6: Final answer
    x = 104,924.17

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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.