Home / 118,346.66-163,319.46-64,632.32

Finding the Fourth Proportional to 118,346.66, 163,319.46 and 64,632.32

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Solution

The fourth proportional to 118,346.66, 163,319.46 and 64,632.32 is: 89,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.66 : 163,319.46 = 64,632.32 : x
  2. Step 2: Convert to fraction form
    118,346.66/163,319.46 = 64,632.32/x
  3. Step 3: Cross multiply
    118,346.66x = 163,319.46 × 64,632.32
  4. Step 4: Simplify right side
    118,346.66x = 10,555,715,600.95
  5. Step 5: Solve for x
    x = 10,555,715,600.95/118,346.66
  6. Step 6: Final answer
    x = 89,193.19

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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.