Home / 141,431.98-195,218.30-93,071.20

Finding the Fourth Proportional to 141,431.98, 195,218.30 and 93,071.20

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Solution

The fourth proportional to 141,431.98, 195,218.30 and 93,071.20 is: 128,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,431.98 : 195,218.30 = 93,071.20 : x
  2. Step 2: Convert to fraction form
    141,431.98/195,218.30 = 93,071.20/x
  3. Step 3: Cross multiply
    141,431.98x = 195,218.30 × 93,071.20
  4. Step 4: Simplify right side
    141,431.98x = 18,169,201,442.96
  5. Step 5: Solve for x
    x = 18,169,201,442.96/141,431.98
  6. Step 6: Final answer
    x = 128,466.00

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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.