Home / 118,831.04-178,264.48-51,381.53

Finding the Fourth Proportional to 118,831.04, 178,264.48 and 51,381.53

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Solution

The fourth proportional to 118,831.04, 178,264.48 and 51,381.53 is: 77,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,831.04 : 178,264.48 = 51,381.53 : x
  2. Step 2: Convert to fraction form
    118,831.04/178,264.48 = 51,381.53/x
  3. Step 3: Cross multiply
    118,831.04x = 178,264.48 × 51,381.53
  4. Step 4: Simplify right side
    118,831.04x = 9,159,501,727.05
  5. Step 5: Solve for x
    x = 9,159,501,727.05/118,831.04
  6. Step 6: Final answer
    x = 77,080.04

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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.