Home / 118,449.14-163,454.90-64,736.01

Finding the Fourth Proportional to 118,449.14, 163,454.90 and 64,736.01

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Solution

The fourth proportional to 118,449.14, 163,454.90 and 64,736.01 is: 89,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,449.14 : 163,454.90 = 64,736.01 : x
  2. Step 2: Convert to fraction form
    118,449.14/163,454.90 = 64,736.01/x
  3. Step 3: Cross multiply
    118,449.14x = 163,454.90 × 64,736.01
  4. Step 4: Simplify right side
    118,449.14x = 10,581,417,717.27
  5. Step 5: Solve for x
    x = 10,581,417,717.27/118,449.14
  6. Step 6: Final answer
    x = 89,333.01

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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.