Home / 141,495.02-195,259.92-77,831.46

Finding the Fourth Proportional to 141,495.02, 195,259.92 and 77,831.46

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Solution

The fourth proportional to 141,495.02, 195,259.92 and 77,831.46 is: 107,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495.02 : 195,259.92 = 77,831.46 : x
  2. Step 2: Convert to fraction form
    141,495.02/195,259.92 = 77,831.46/x
  3. Step 3: Cross multiply
    141,495.02x = 195,259.92 × 77,831.46
  4. Step 4: Simplify right side
    141,495.02x = 15,197,364,653.08
  5. Step 5: Solve for x
    x = 15,197,364,653.08/141,495.02
  6. Step 6: Final answer
    x = 107,405.65

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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.