Home / 168,128.60-232,033.80-125,613.32

Finding the Fourth Proportional to 168,128.60, 232,033.80 and 125,613.32

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Solution

The fourth proportional to 168,128.60, 232,033.80 and 125,613.32 is: 173,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,128.60 : 232,033.80 = 125,613.32 : x
  2. Step 2: Convert to fraction form
    168,128.60/232,033.80 = 125,613.32/x
  3. Step 3: Cross multiply
    168,128.60x = 232,033.80 × 125,613.32
  4. Step 4: Simplify right side
    168,128.60x = 29,146,535,970.22
  5. Step 5: Solve for x
    x = 29,146,535,970.22/168,128.60
  6. Step 6: Final answer
    x = 173,358.58

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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.