Home / 117,735.04-176,476.74-85,637.17

Finding the Fourth Proportional to 117,735.04, 176,476.74 and 85,637.17

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Solution

The fourth proportional to 117,735.04, 176,476.74 and 85,637.17 is: 128,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,735.04 : 176,476.74 = 85,637.17 : x
  2. Step 2: Convert to fraction form
    117,735.04/176,476.74 = 85,637.17/x
  3. Step 3: Cross multiply
    117,735.04x = 176,476.74 × 85,637.17
  4. Step 4: Simplify right side
    117,735.04x = 15,112,968,584.43
  5. Step 5: Solve for x
    x = 15,112,968,584.43/117,735.04
  6. Step 6: Final answer
    x = 128,364.24

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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.