Home / 118,398.84-163,389.78-64,683.24

Finding the Fourth Proportional to 118,398.84, 163,389.78 and 64,683.24

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Solution

The fourth proportional to 118,398.84, 163,389.78 and 64,683.24 is: 89,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,398.84 : 163,389.78 = 64,683.24 : x
  2. Step 2: Convert to fraction form
    118,398.84/163,389.78 = 64,683.24/x
  3. Step 3: Cross multiply
    118,398.84x = 163,389.78 × 64,683.24
  4. Step 4: Simplify right side
    118,398.84x = 10,568,580,353.29
  5. Step 5: Solve for x
    x = 10,568,580,353.29/118,398.84
  6. Step 6: Final answer
    x = 89,262.53

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1.5x scale

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.