Home / 118,329.21-163,293.66-64,614.24

Finding the Fourth Proportional to 118,329.21, 163,293.66 and 64,614.24

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Solution

The fourth proportional to 118,329.21, 163,293.66 and 64,614.24 is: 89,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.21 : 163,293.66 = 64,614.24 : x
  2. Step 2: Convert to fraction form
    118,329.21/163,293.66 = 64,614.24/x
  3. Step 3: Cross multiply
    118,329.21x = 163,293.66 × 64,614.24
  4. Step 4: Simplify right side
    118,329.21x = 10,551,095,737.72
  5. Step 5: Solve for x
    x = 10,551,095,737.72/118,329.21
  6. Step 6: Final answer
    x = 89,167.30

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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.