Home / 118,488.16-163,513.26-64,773.16

Finding the Fourth Proportional to 118,488.16, 163,513.26 and 64,773.16

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Solution

The fourth proportional to 118,488.16, 163,513.26 and 64,773.16 is: 89,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,488.16 : 163,513.26 = 64,773.16 : x
  2. Step 2: Convert to fraction form
    118,488.16/163,513.26 = 64,773.16/x
  3. Step 3: Cross multiply
    118,488.16x = 163,513.26 × 64,773.16
  4. Step 4: Simplify right side
    118,488.16x = 10,591,270,552.10
  5. Step 5: Solve for x
    x = 10,591,270,552.10/118,488.16
  6. Step 6: Final answer
    x = 89,386.74

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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.