Home / 238,081.16-328,556.01-130,661.19

Finding the Fourth Proportional to 238,081.16, 328,556.01 and 130,661.19

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Solution

The fourth proportional to 238,081.16, 328,556.01 and 130,661.19 is: 180,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,081.16 : 328,556.01 = 130,661.19 : x
  2. Step 2: Convert to fraction form
    238,081.16/328,556.01 = 130,661.19/x
  3. Step 3: Cross multiply
    238,081.16x = 328,556.01 × 130,661.19
  4. Step 4: Simplify right side
    238,081.16x = 42,929,519,248.25
  5. Step 5: Solve for x
    x = 42,929,519,248.25/238,081.16
  6. Step 6: Final answer
    x = 180,314.64

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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.