Home / 127,831.60-191,941.80-98,282.80

Finding the Fourth Proportional to 127,831.60, 191,941.80 and 98,282.80

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Solution

The fourth proportional to 127,831.60, 191,941.80 and 98,282.80 is: 147,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.60 : 191,941.80 = 98,282.80 : x
  2. Step 2: Convert to fraction form
    127,831.60/191,941.80 = 98,282.80/x
  3. Step 3: Cross multiply
    127,831.60x = 191,941.80 × 98,282.80
  4. Step 4: Simplify right side
    127,831.60x = 18,864,577,541.04
  5. Step 5: Solve for x
    x = 18,864,577,541.04/127,831.60
  6. Step 6: Final answer
    x = 147,573.66

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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.