Home / 118,246.76-163,183.98-64,535.21

Finding the Fourth Proportional to 118,246.76, 163,183.98 and 64,535.21

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Solution

The fourth proportional to 118,246.76, 163,183.98 and 64,535.21 is: 89,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.76 : 163,183.98 = 64,535.21 : x
  2. Step 2: Convert to fraction form
    118,246.76/163,183.98 = 64,535.21/x
  3. Step 3: Cross multiply
    118,246.76x = 163,183.98 × 64,535.21
  4. Step 4: Simplify right side
    118,246.76x = 10,531,112,417.94
  5. Step 5: Solve for x
    x = 10,531,112,417.94/118,246.76
  6. Step 6: Final answer
    x = 89,060.47

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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.