Home / 118,958.04-164,150.60-71,210.36

Finding the Fourth Proportional to 118,958.04, 164,150.60 and 71,210.36

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Solution

The fourth proportional to 118,958.04, 164,150.60 and 71,210.36 is: 98,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,958.04 : 164,150.60 = 71,210.36 : x
  2. Step 2: Convert to fraction form
    118,958.04/164,150.60 = 71,210.36/x
  3. Step 3: Cross multiply
    118,958.04x = 164,150.60 × 71,210.36
  4. Step 4: Simplify right side
    118,958.04x = 11,689,223,320.22
  5. Step 5: Solve for x
    x = 11,689,223,320.22/118,958.04
  6. Step 6: Final answer
    x = 98,263.42

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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.