Home / 118,298.97-163,255.04-64,586.25

Finding the Fourth Proportional to 118,298.97, 163,255.04 and 64,586.25

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Solution

The fourth proportional to 118,298.97, 163,255.04 and 64,586.25 is: 89,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,298.97 : 163,255.04 = 64,586.25 : x
  2. Step 2: Convert to fraction form
    118,298.97/163,255.04 = 64,586.25/x
  3. Step 3: Cross multiply
    118,298.97x = 163,255.04 × 64,586.25
  4. Step 4: Simplify right side
    118,298.97x = 10,544,030,504.27
  5. Step 5: Solve for x
    x = 10,544,030,504.27/118,298.97
  6. Step 6: Final answer
    x = 89,130.37

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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.