Home / 118,329.66-163,296.27-64,615.32

Finding the Fourth Proportional to 118,329.66, 163,296.27 and 64,615.32

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Solution

The fourth proportional to 118,329.66, 163,296.27 and 64,615.32 is: 89,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.66 : 163,296.27 = 64,615.32 : x
  2. Step 2: Convert to fraction form
    118,329.66/163,296.27 = 64,615.32/x
  3. Step 3: Cross multiply
    118,329.66x = 163,296.27 × 64,615.32
  4. Step 4: Simplify right side
    118,329.66x = 10,551,440,740.86
  5. Step 5: Solve for x
    x = 10,551,440,740.86/118,329.66
  6. Step 6: Final answer
    x = 89,169.87

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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.