Home / 168,623.86-232,681.02-100,628.26

Finding the Fourth Proportional to 168,623.86, 232,681.02 and 100,628.26

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Solution

The fourth proportional to 168,623.86, 232,681.02 and 100,628.26 is: 138,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,623.86 : 232,681.02 = 100,628.26 : x
  2. Step 2: Convert to fraction form
    168,623.86/232,681.02 = 100,628.26/x
  3. Step 3: Cross multiply
    168,623.86x = 232,681.02 × 100,628.26
  4. Step 4: Simplify right side
    168,623.86x = 23,414,286,177.63
  5. Step 5: Solve for x
    x = 23,414,286,177.63/168,623.86
  6. Step 6: Final answer
    x = 138,855.12

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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.