Home / 118,422.73-163,424.24-64,707.72

Finding the Fourth Proportional to 118,422.73, 163,424.24 and 64,707.72

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Solution

The fourth proportional to 118,422.73, 163,424.24 and 64,707.72 is: 89,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,422.73 : 163,424.24 = 64,707.72 : x
  2. Step 2: Convert to fraction form
    118,422.73/163,424.24 = 64,707.72/x
  3. Step 3: Cross multiply
    118,422.73x = 163,424.24 × 64,707.72
  4. Step 4: Simplify right side
    118,422.73x = 10,574,809,963.13
  5. Step 5: Solve for x
    x = 10,574,809,963.13/118,422.73
  6. Step 6: Final answer
    x = 89,297.13

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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.