Home / 118,538.71-163,583.32-64,823.71

Finding the Fourth Proportional to 118,538.71, 163,583.32 and 64,823.71

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Solution

The fourth proportional to 118,538.71, 163,583.32 and 64,823.71 is: 89,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.71 : 163,583.32 = 64,823.71 : x
  2. Step 2: Convert to fraction form
    118,538.71/163,583.32 = 64,823.71/x
  3. Step 3: Cross multiply
    118,538.71x = 163,583.32 × 64,823.71
  4. Step 4: Simplify right side
    118,538.71x = 10,604,077,125.50
  5. Step 5: Solve for x
    x = 10,604,077,125.50/118,538.71
  6. Step 6: Final answer
    x = 89,456.66

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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.