Home / 118,227.16-163,160.08-64,513.08

Finding the Fourth Proportional to 118,227.16, 163,160.08 and 64,513.08

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Solution

The fourth proportional to 118,227.16, 163,160.08 and 64,513.08 is: 89,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,227.16 : 163,160.08 = 64,513.08 : x
  2. Step 2: Convert to fraction form
    118,227.16/163,160.08 = 64,513.08/x
  3. Step 3: Cross multiply
    118,227.16x = 163,160.08 × 64,513.08
  4. Step 4: Simplify right side
    118,227.16x = 10,525,959,293.85
  5. Step 5: Solve for x
    x = 10,525,959,293.85/118,227.16
  6. Step 6: Final answer
    x = 89,031.65

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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.