Home / 118,673.62-163,769.84-64,962.06

Finding the Fourth Proportional to 118,673.62, 163,769.84 and 64,962.06

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Solution

The fourth proportional to 118,673.62, 163,769.84 and 64,962.06 is: 89,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,673.62 : 163,769.84 = 64,962.06 : x
  2. Step 2: Convert to fraction form
    118,673.62/163,769.84 = 64,962.06/x
  3. Step 3: Cross multiply
    118,673.62x = 163,769.84 × 64,962.06
  4. Step 4: Simplify right side
    118,673.62x = 10,638,826,461.60
  5. Step 5: Solve for x
    x = 10,638,826,461.60/118,673.62
  6. Step 6: Final answer
    x = 89,647.78

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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.