Home / 118,322.84-163,286.32-64,608.24

Finding the Fourth Proportional to 118,322.84, 163,286.32 and 64,608.24

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Solution

The fourth proportional to 118,322.84, 163,286.32 and 64,608.24 is: 89,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,322.84 : 163,286.32 = 64,608.24 : x
  2. Step 2: Convert to fraction form
    118,322.84/163,286.32 = 64,608.24/x
  3. Step 3: Cross multiply
    118,322.84x = 163,286.32 × 64,608.24
  4. Step 4: Simplify right side
    118,322.84x = 10,549,641,751.28
  5. Step 5: Solve for x
    x = 10,549,641,751.28/118,322.84
  6. Step 6: Final answer
    x = 89,159.81

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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.