Home / 118,395.73-163,386.68-64,681.64

Finding the Fourth Proportional to 118,395.73, 163,386.68 and 64,681.64

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Solution

The fourth proportional to 118,395.73, 163,386.68 and 64,681.64 is: 89,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,395.73 : 163,386.68 = 64,681.64 : x
  2. Step 2: Convert to fraction form
    118,395.73/163,386.68 = 64,681.64/x
  3. Step 3: Cross multiply
    118,395.73x = 163,386.68 × 64,681.64
  4. Step 4: Simplify right side
    118,395.73x = 10,568,118,416.56
  5. Step 5: Solve for x
    x = 10,568,118,416.56/118,395.73
  6. Step 6: Final answer
    x = 89,260.98

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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.