Home / 118,637.70-163,720.03-64,922.74

Finding the Fourth Proportional to 118,637.70, 163,720.03 and 64,922.74

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Solution

The fourth proportional to 118,637.70, 163,720.03 and 64,922.74 is: 89,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637.70 : 163,720.03 = 64,922.74 : x
  2. Step 2: Convert to fraction form
    118,637.70/163,720.03 = 64,922.74/x
  3. Step 3: Cross multiply
    118,637.70x = 163,720.03 × 64,922.74
  4. Step 4: Simplify right side
    118,637.70x = 10,629,152,368.88
  5. Step 5: Solve for x
    x = 10,629,152,368.88/118,637.70
  6. Step 6: Final answer
    x = 89,593.38

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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.