Home / 141,973.30-212,779.05-75,445.30

Finding the Fourth Proportional to 141,973.30, 212,779.05 and 75,445.30

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Solution

The fourth proportional to 141,973.30, 212,779.05 and 75,445.30 is: 113,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,973.30 : 212,779.05 = 75,445.30 : x
  2. Step 2: Convert to fraction form
    141,973.30/212,779.05 = 75,445.30/x
  3. Step 3: Cross multiply
    141,973.30x = 212,779.05 × 75,445.30
  4. Step 4: Simplify right side
    141,973.30x = 16,053,179,260.97
  5. Step 5: Solve for x
    x = 16,053,179,260.97/141,973.30
  6. Step 6: Final answer
    x = 113,071.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.