Home / 127,307.44-191,077.80-126,831.16

Finding the Fourth Proportional to 127,307.44, 191,077.80 and 126,831.16

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Solution

The fourth proportional to 127,307.44, 191,077.80 and 126,831.16 is: 190,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.44 : 191,077.80 = 126,831.16 : x
  2. Step 2: Convert to fraction form
    127,307.44/191,077.80 = 126,831.16/x
  3. Step 3: Cross multiply
    127,307.44x = 191,077.80 × 126,831.16
  4. Step 4: Simplify right side
    127,307.44x = 24,234,619,024.25
  5. Step 5: Solve for x
    x = 24,234,619,024.25/127,307.44
  6. Step 6: Final answer
    x = 190,362.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.