Home / 118,181.80-163,084.89-64,466.38

Finding the Fourth Proportional to 118,181.80, 163,084.89 and 64,466.38

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Solution

The fourth proportional to 118,181.80, 163,084.89 and 64,466.38 is: 88,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,181.80 : 163,084.89 = 64,466.38 : x
  2. Step 2: Convert to fraction form
    118,181.80/163,084.89 = 64,466.38/x
  3. Step 3: Cross multiply
    118,181.80x = 163,084.89 × 64,466.38
  4. Step 4: Simplify right side
    118,181.80x = 10,513,492,491.00
  5. Step 5: Solve for x
    x = 10,513,492,491.00/118,181.80
  6. Step 6: Final answer
    x = 88,960.33

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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.