Home / 108,975.84-163,483.20-42,452.16

Finding the Fourth Proportional to 108,975.84, 163,483.20 and 42,452.16

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Solution

The fourth proportional to 108,975.84, 163,483.20 and 42,452.16 is: 63,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,975.84 : 163,483.20 = 42,452.16 : x
  2. Step 2: Convert to fraction form
    108,975.84/163,483.20 = 42,452.16/x
  3. Step 3: Cross multiply
    108,975.84x = 163,483.20 × 42,452.16
  4. Step 4: Simplify right side
    108,975.84x = 6,940,214,963.71
  5. Step 5: Solve for x
    x = 6,940,214,963.71/108,975.84
  6. Step 6: Final answer
    x = 63,685.81

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1.5x scale

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.