Home / 118,792.03-163,937.08-65,077.03

Finding the Fourth Proportional to 118,792.03, 163,937.08 and 65,077.03

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Solution

The fourth proportional to 118,792.03, 163,937.08 and 65,077.03 is: 89,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,792.03 : 163,937.08 = 65,077.03 : x
  2. Step 2: Convert to fraction form
    118,792.03/163,937.08 = 65,077.03/x
  3. Step 3: Cross multiply
    118,792.03x = 163,937.08 × 65,077.03
  4. Step 4: Simplify right side
    118,792.03x = 10,668,538,273.27
  5. Step 5: Solve for x
    x = 10,668,538,273.27/118,792.03
  6. Step 6: Final answer
    x = 89,808.54

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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.