Home / 118,641.20-163,724.87-64,926.25

Finding the Fourth Proportional to 118,641.20, 163,724.87 and 64,926.25

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Solution

The fourth proportional to 118,641.20, 163,724.87 and 64,926.25 is: 89,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641.20 : 163,724.87 = 64,926.25 : x
  2. Step 2: Convert to fraction form
    118,641.20/163,724.87 = 64,926.25/x
  3. Step 3: Cross multiply
    118,641.20x = 163,724.87 × 64,926.25
  4. Step 4: Simplify right side
    118,641.20x = 10,630,040,697.58
  5. Step 5: Solve for x
    x = 10,630,040,697.58/118,641.20
  6. Step 6: Final answer
    x = 89,598.22

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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.