Home / 238,072.13-328,544.56-130,641.22

Finding the Fourth Proportional to 238,072.13, 328,544.56 and 130,641.22

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Solution

The fourth proportional to 238,072.13, 328,544.56 and 130,641.22 is: 180,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,072.13 : 328,544.56 = 130,641.22 : x
  2. Step 2: Convert to fraction form
    238,072.13/328,544.56 = 130,641.22/x
  3. Step 3: Cross multiply
    238,072.13x = 328,544.56 × 130,641.22
  4. Step 4: Simplify right side
    238,072.13x = 42,921,461,981.89
  5. Step 5: Solve for x
    x = 42,921,461,981.89/238,072.13
  6. Step 6: Final answer
    x = 180,287.64

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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.