Home / 185,002.14-255,129.66-122,802.60

Finding the Fourth Proportional to 185,002.14, 255,129.66 and 122,802.60

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Solution

The fourth proportional to 185,002.14, 255,129.66 and 122,802.60 is: 169,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,002.14 : 255,129.66 = 122,802.60 : x
  2. Step 2: Convert to fraction form
    185,002.14/255,129.66 = 122,802.60/x
  3. Step 3: Cross multiply
    185,002.14x = 255,129.66 × 122,802.60
  4. Step 4: Simplify right side
    185,002.14x = 31,330,585,585.12
  5. Step 5: Solve for x
    x = 31,330,585,585.12/185,002.14
  6. Step 6: Final answer
    x = 169,352.56

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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.