Home / 118,410.09-163,408.28-64,698.44

Finding the Fourth Proportional to 118,410.09, 163,408.28 and 64,698.44

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Solution

The fourth proportional to 118,410.09, 163,408.28 and 64,698.44 is: 89,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,410.09 : 163,408.28 = 64,698.44 : x
  2. Step 2: Convert to fraction form
    118,410.09/163,408.28 = 64,698.44/x
  3. Step 3: Cross multiply
    118,410.09x = 163,408.28 × 64,698.44
  4. Step 4: Simplify right side
    118,410.09x = 10,572,260,759.69
  5. Step 5: Solve for x
    x = 10,572,260,759.69/118,410.09
  6. Step 6: Final answer
    x = 89,285.13

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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.