Home / 136,289.59-205,342.90-125,529.55

Finding the Fourth Proportional to 136,289.59, 205,342.90 and 125,529.55

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Solution

The fourth proportional to 136,289.59, 205,342.90 and 125,529.55 is: 189,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.59 : 205,342.90 = 125,529.55 : x
  2. Step 2: Convert to fraction form
    136,289.59/205,342.90 = 125,529.55/x
  3. Step 3: Cross multiply
    136,289.59x = 205,342.90 × 125,529.55
  4. Step 4: Simplify right side
    136,289.59x = 25,776,601,005.51
  5. Step 5: Solve for x
    x = 25,776,601,005.51/136,289.59
  6. Step 6: Final answer
    x = 189,131.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.