Home / 118,351.66-163,326.36-64,637.32

Finding the Fourth Proportional to 118,351.66, 163,326.36 and 64,637.32

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Solution

The fourth proportional to 118,351.66, 163,326.36 and 64,637.32 is: 89,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,351.66 : 163,326.36 = 64,637.32 : x
  2. Step 2: Convert to fraction form
    118,351.66/163,326.36 = 64,637.32/x
  3. Step 3: Cross multiply
    118,351.66x = 163,326.36 × 64,637.32
  4. Step 4: Simplify right side
    118,351.66x = 10,556,978,195.76
  5. Step 5: Solve for x
    x = 10,556,978,195.76/118,351.66
  6. Step 6: Final answer
    x = 89,200.09

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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.