Home / 128,822.52-177,693.26-93,065.06

Finding the Fourth Proportional to 128,822.52, 177,693.26 and 93,065.06

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Solution

The fourth proportional to 128,822.52, 177,693.26 and 93,065.06 is: 128,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,822.52 : 177,693.26 = 93,065.06 : x
  2. Step 2: Convert to fraction form
    128,822.52/177,693.26 = 93,065.06/x
  3. Step 3: Cross multiply
    128,822.52x = 177,693.26 × 93,065.06
  4. Step 4: Simplify right side
    128,822.52x = 16,537,033,903.50
  5. Step 5: Solve for x
    x = 16,537,033,903.50/128,822.52
  6. Step 6: Final answer
    x = 128,370.68

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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.