Home / 117,655.07-176,342.54-54,386.64

Finding the Fourth Proportional to 117,655.07, 176,342.54 and 54,386.64

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Solution

The fourth proportional to 117,655.07, 176,342.54 and 54,386.64 is: 81,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,655.07 : 176,342.54 = 54,386.64 : x
  2. Step 2: Convert to fraction form
    117,655.07/176,342.54 = 54,386.64/x
  3. Step 3: Cross multiply
    117,655.07x = 176,342.54 × 54,386.64
  4. Step 4: Simplify right side
    117,655.07x = 9,590,677,967.73
  5. Step 5: Solve for x
    x = 9,590,677,967.73/117,655.07
  6. Step 6: Final answer
    x = 81,515.22

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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.