Home / 118,536.95-163,609.88-99,386.33

Finding the Fourth Proportional to 118,536.95, 163,609.88 and 99,386.33

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Solution

The fourth proportional to 118,536.95, 163,609.88 and 99,386.33 is: 137,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536.95 : 163,609.88 = 99,386.33 : x
  2. Step 2: Convert to fraction form
    118,536.95/163,609.88 = 99,386.33/x
  3. Step 3: Cross multiply
    118,536.95x = 163,609.88 × 99,386.33
  4. Step 4: Simplify right side
    118,536.95x = 16,260,584,209.96
  5. Step 5: Solve for x
    x = 16,260,584,209.96/118,536.95
  6. Step 6: Final answer
    x = 137,177.34

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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.