Home / 118,549.40-163,589.82-64,833.28

Finding the Fourth Proportional to 118,549.40, 163,589.82 and 64,833.28

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Solution

The fourth proportional to 118,549.40, 163,589.82 and 64,833.28 is: 89,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,549.40 : 163,589.82 = 64,833.28 : x
  2. Step 2: Convert to fraction form
    118,549.40/163,589.82 = 64,833.28/x
  3. Step 3: Cross multiply
    118,549.40x = 163,589.82 × 64,833.28
  4. Step 4: Simplify right side
    118,549.40x = 10,606,064,605.21
  5. Step 5: Solve for x
    x = 10,606,064,605.21/118,549.40
  6. Step 6: Final answer
    x = 89,465.36

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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.