Home / 185,319.36-255,646.53-117,221.58

Finding the Fourth Proportional to 185,319.36, 255,646.53 and 117,221.58

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Solution

The fourth proportional to 185,319.36, 255,646.53 and 117,221.58 is: 161,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,319.36 : 255,646.53 = 117,221.58 : x
  2. Step 2: Convert to fraction form
    185,319.36/255,646.53 = 117,221.58/x
  3. Step 3: Cross multiply
    185,319.36x = 255,646.53 × 117,221.58
  4. Step 4: Simplify right side
    185,319.36x = 29,967,290,168.12
  5. Step 5: Solve for x
    x = 29,967,290,168.12/185,319.36
  6. Step 6: Final answer
    x = 161,706.20

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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.