Home / 118,394.16-163,381.26-64,679.41

Finding the Fourth Proportional to 118,394.16, 163,381.26 and 64,679.41

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Solution

The fourth proportional to 118,394.16, 163,381.26 and 64,679.41 is: 89,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,394.16 : 163,381.26 = 64,679.41 : x
  2. Step 2: Convert to fraction form
    118,394.16/163,381.26 = 64,679.41/x
  3. Step 3: Cross multiply
    118,394.16x = 163,381.26 × 64,679.41
  4. Step 4: Simplify right side
    118,394.16x = 10,567,403,501.86
  5. Step 5: Solve for x
    x = 10,567,403,501.86/118,394.16
  6. Step 6: Final answer
    x = 89,256.12

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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.