Home / 211,638.51-292,066.83-116,148.60

Finding the Fourth Proportional to 211,638.51, 292,066.83 and 116,148.60

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Solution

The fourth proportional to 211,638.51, 292,066.83 and 116,148.60 is: 160,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,638.51 : 292,066.83 = 116,148.60 : x
  2. Step 2: Convert to fraction form
    211,638.51/292,066.83 = 116,148.60/x
  3. Step 3: Cross multiply
    211,638.51x = 292,066.83 × 116,148.60
  4. Step 4: Simplify right side
    211,638.51x = 33,923,153,410.94
  5. Step 5: Solve for x
    x = 33,923,153,410.94/211,638.51
  6. Step 6: Final answer
    x = 160,288.19

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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.