Home / 118,330.66-163,297.65-64,616.32

Finding the Fourth Proportional to 118,330.66, 163,297.65 and 64,616.32

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Solution

The fourth proportional to 118,330.66, 163,297.65 and 64,616.32 is: 89,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,330.66 : 163,297.65 = 64,616.32 : x
  2. Step 2: Convert to fraction form
    118,330.66/163,297.65 = 64,616.32/x
  3. Step 3: Cross multiply
    118,330.66x = 163,297.65 × 64,616.32
  4. Step 4: Simplify right side
    118,330.66x = 10,551,693,207.65
  5. Step 5: Solve for x
    x = 10,551,693,207.65/118,330.66
  6. Step 6: Final answer
    x = 89,171.25

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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.