Home / 118,226.90-163,153.58-64,513.02

Finding the Fourth Proportional to 118,226.90, 163,153.58 and 64,513.02

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Solution

The fourth proportional to 118,226.90, 163,153.58 and 64,513.02 is: 89,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.90 : 163,153.58 = 64,513.02 : x
  2. Step 2: Convert to fraction form
    118,226.90/163,153.58 = 64,513.02/x
  3. Step 3: Cross multiply
    118,226.90x = 163,153.58 × 64,513.02
  4. Step 4: Simplify right side
    118,226.90x = 10,525,530,169.61
  5. Step 5: Solve for x
    x = 10,525,530,169.61/118,226.90
  6. Step 6: Final answer
    x = 89,028.22

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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.