Home / 168,128.79-232,048.59-107,725.47

Finding the Fourth Proportional to 168,128.79, 232,048.59 and 107,725.47

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Solution

The fourth proportional to 168,128.79, 232,048.59 and 107,725.47 is: 148,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,128.79 : 232,048.59 = 107,725.47 : x
  2. Step 2: Convert to fraction form
    168,128.79/232,048.59 = 107,725.47/x
  3. Step 3: Cross multiply
    168,128.79x = 232,048.59 × 107,725.47
  4. Step 4: Simplify right side
    168,128.79x = 24,997,543,420.59
  5. Step 5: Solve for x
    x = 24,997,543,420.59/168,128.79
  6. Step 6: Final answer
    x = 148,680.92

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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.