Home / 118,674.74-163,771.39-64,963.19

Finding the Fourth Proportional to 118,674.74, 163,771.39 and 64,963.19

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Solution

The fourth proportional to 118,674.74, 163,771.39 and 64,963.19 is: 89,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,674.74 : 163,771.39 = 64,963.19 : x
  2. Step 2: Convert to fraction form
    118,674.74/163,771.39 = 64,963.19/x
  3. Step 3: Cross multiply
    118,674.74x = 163,771.39 × 64,963.19
  4. Step 4: Simplify right side
    118,674.74x = 10,639,112,415.77
  5. Step 5: Solve for x
    x = 10,639,112,415.77/118,674.74
  6. Step 6: Final answer
    x = 89,649.34

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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.