Home / 118,721.93-163,836.27-65,010.24

Finding the Fourth Proportional to 118,721.93, 163,836.27 and 65,010.24

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Solution

The fourth proportional to 118,721.93, 163,836.27 and 65,010.24 is: 89,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,721.93 : 163,836.27 = 65,010.24 : x
  2. Step 2: Convert to fraction form
    118,721.93/163,836.27 = 65,010.24/x
  3. Step 3: Cross multiply
    118,721.93x = 163,836.27 × 65,010.24
  4. Step 4: Simplify right side
    118,721.93x = 10,651,035,233.40
  5. Step 5: Solve for x
    x = 10,651,035,233.40/118,721.93
  6. Step 6: Final answer
    x = 89,714.14

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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.