Home / 118,460.56-163,464.32-64,742.16

Finding the Fourth Proportional to 118,460.56, 163,464.32 and 64,742.16

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Solution

The fourth proportional to 118,460.56, 163,464.32 and 64,742.16 is: 89,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,460.56 : 163,464.32 = 64,742.16 : x
  2. Step 2: Convert to fraction form
    118,460.56/163,464.32 = 64,742.16/x
  3. Step 3: Cross multiply
    118,460.56x = 163,464.32 × 64,742.16
  4. Step 4: Simplify right side
    118,460.56x = 10,583,033,159.73
  5. Step 5: Solve for x
    x = 10,583,033,159.73/118,460.56
  6. Step 6: Final answer
    x = 89,338.03

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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.