Home / 118,601.28-163,668.33-64,885.59

Finding the Fourth Proportional to 118,601.28, 163,668.33 and 64,885.59

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Solution

The fourth proportional to 118,601.28, 163,668.33 and 64,885.59 is: 89,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,601.28 : 163,668.33 = 64,885.59 : x
  2. Step 2: Convert to fraction form
    118,601.28/163,668.33 = 64,885.59/x
  3. Step 3: Cross multiply
    118,601.28x = 163,668.33 × 64,885.59
  4. Step 4: Simplify right side
    118,601.28x = 10,619,716,156.36
  5. Step 5: Solve for x
    x = 10,619,716,156.36/118,601.28
  6. Step 6: Final answer
    x = 89,541.33

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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.