Home / 118,764.16-163,894.80-64,316.92

Finding the Fourth Proportional to 118,764.16, 163,894.80 and 64,316.92

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Solution

The fourth proportional to 118,764.16, 163,894.80 and 64,316.92 is: 88,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,764.16 : 163,894.80 = 64,316.92 : x
  2. Step 2: Convert to fraction form
    118,764.16/163,894.80 = 64,316.92/x
  3. Step 3: Cross multiply
    118,764.16x = 163,894.80 × 64,316.92
  4. Step 4: Simplify right side
    118,764.16x = 10,541,208,740.02
  5. Step 5: Solve for x
    x = 10,541,208,740.02/118,764.16
  6. Step 6: Final answer
    x = 88,757.49

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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.