Home / 238,043.10-328,509.74-142,531.54

Finding the Fourth Proportional to 238,043.10, 328,509.74 and 142,531.54

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Solution

The fourth proportional to 238,043.10, 328,509.74 and 142,531.54 is: 196,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,043.10 : 328,509.74 = 142,531.54 : x
  2. Step 2: Convert to fraction form
    238,043.10/328,509.74 = 142,531.54/x
  3. Step 3: Cross multiply
    238,043.10x = 328,509.74 × 142,531.54
  4. Step 4: Simplify right side
    238,043.10x = 46,822,999,147.20
  5. Step 5: Solve for x
    x = 46,822,999,147.20/238,043.10
  6. Step 6: Final answer
    x = 196,699.67

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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.