Home / 136,110.02-187,831.98-75,680.01

Finding the Fourth Proportional to 136,110.02, 187,831.98 and 75,680.01

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Solution

The fourth proportional to 136,110.02, 187,831.98 and 75,680.01 is: 104,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,110.02 : 187,831.98 = 75,680.01 : x
  2. Step 2: Convert to fraction form
    136,110.02/187,831.98 = 75,680.01/x
  3. Step 3: Cross multiply
    136,110.02x = 187,831.98 × 75,680.01
  4. Step 4: Simplify right side
    136,110.02x = 14,215,126,124.72
  5. Step 5: Solve for x
    x = 14,215,126,124.72/136,110.02
  6. Step 6: Final answer
    x = 104,438.50

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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.