Home / 118,124.38-163,011.25-64,409.26

Finding the Fourth Proportional to 118,124.38, 163,011.25 and 64,409.26

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Solution

The fourth proportional to 118,124.38, 163,011.25 and 64,409.26 is: 88,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,124.38 : 163,011.25 = 64,409.26 : x
  2. Step 2: Convert to fraction form
    118,124.38/163,011.25 = 64,409.26/x
  3. Step 3: Cross multiply
    118,124.38x = 163,011.25 × 64,409.26
  4. Step 4: Simplify right side
    118,124.38x = 10,499,433,984.18
  5. Step 5: Solve for x
    x = 10,499,433,984.18/118,124.38
  6. Step 6: Final answer
    x = 88,884.56

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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.