Home / 118,179.21-163,088.35-64,464.46

Finding the Fourth Proportional to 118,179.21, 163,088.35 and 64,464.46

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Solution

The fourth proportional to 118,179.21, 163,088.35 and 64,464.46 is: 88,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179.21 : 163,088.35 = 64,464.46 : x
  2. Step 2: Convert to fraction form
    118,179.21/163,088.35 = 64,464.46/x
  3. Step 3: Cross multiply
    118,179.21x = 163,088.35 × 64,464.46
  4. Step 4: Simplify right side
    118,179.21x = 10,513,402,092.72
  5. Step 5: Solve for x
    x = 10,513,402,092.72/118,179.21
  6. Step 6: Final answer
    x = 88,961.52

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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.