Home / 118,407.36-163,393.63-64,680.97

Finding the Fourth Proportional to 118,407.36, 163,393.63 and 64,680.97

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Solution

The fourth proportional to 118,407.36, 163,393.63 and 64,680.97 is: 89,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,407.36 : 163,393.63 = 64,680.97 : x
  2. Step 2: Convert to fraction form
    118,407.36/163,393.63 = 64,680.97/x
  3. Step 3: Cross multiply
    118,407.36x = 163,393.63 × 64,680.97
  4. Step 4: Simplify right side
    118,407.36x = 10,568,458,522.76
  5. Step 5: Solve for x
    x = 10,568,458,522.76/118,407.36
  6. Step 6: Final answer
    x = 89,255.08

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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.