Home / 118,406.38-163,395.96-64,693.26

Finding the Fourth Proportional to 118,406.38, 163,395.96 and 64,693.26

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Solution

The fourth proportional to 118,406.38, 163,395.96 and 64,693.26 is: 89,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,406.38 : 163,395.96 = 64,693.26 : x
  2. Step 2: Convert to fraction form
    118,406.38/163,395.96 = 64,693.26/x
  3. Step 3: Cross multiply
    118,406.38x = 163,395.96 × 64,693.26
  4. Step 4: Simplify right side
    118,406.38x = 10,570,617,323.23
  5. Step 5: Solve for x
    x = 10,570,617,323.23/118,406.38
  6. Step 6: Final answer
    x = 89,274.05

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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.