Home / 172,840.65-238,630.19-141,085.05

Finding the Fourth Proportional to 172,840.65, 238,630.19 and 141,085.05

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Solution

The fourth proportional to 172,840.65, 238,630.19 and 141,085.05 is: 194,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,840.65 : 238,630.19 = 141,085.05 : x
  2. Step 2: Convert to fraction form
    172,840.65/238,630.19 = 141,085.05/x
  3. Step 3: Cross multiply
    172,840.65x = 238,630.19 × 141,085.05
  4. Step 4: Simplify right side
    172,840.65x = 33,667,151,582.23
  5. Step 5: Solve for x
    x = 33,667,151,582.23/172,840.65
  6. Step 6: Final answer
    x = 194,787.23

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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.