Home / 118,416.14-163,410.65-64,701.09

Finding the Fourth Proportional to 118,416.14, 163,410.65 and 64,701.09

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Solution

The fourth proportional to 118,416.14, 163,410.65 and 64,701.09 is: 89,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,416.14 : 163,410.65 = 64,701.09 : x
  2. Step 2: Convert to fraction form
    118,416.14/163,410.65 = 64,701.09/x
  3. Step 3: Cross multiply
    118,416.14x = 163,410.65 × 64,701.09
  4. Step 4: Simplify right side
    118,416.14x = 10,572,846,150.97
  5. Step 5: Solve for x
    x = 10,572,846,150.97/118,416.14
  6. Step 6: Final answer
    x = 89,285.52

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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.