Home / 173,387.93-239,209.40-128,174.47

Finding the Fourth Proportional to 173,387.93, 239,209.40 and 128,174.47

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Solution

The fourth proportional to 173,387.93, 239,209.40 and 128,174.47 is: 176,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387.93 : 239,209.40 = 128,174.47 : x
  2. Step 2: Convert to fraction form
    173,387.93/239,209.40 = 128,174.47/x
  3. Step 3: Cross multiply
    173,387.93x = 239,209.40 × 128,174.47
  4. Step 4: Simplify right side
    173,387.93x = 30,660,537,786.43
  5. Step 5: Solve for x
    x = 30,660,537,786.43/173,387.93
  6. Step 6: Final answer
    x = 176,832.02

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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.