Home / 141,779.16-212,689.44-51,826.32

Finding the Fourth Proportional to 141,779.16, 212,689.44 and 51,826.32

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Solution

The fourth proportional to 141,779.16, 212,689.44 and 51,826.32 is: 77,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,779.16 : 212,689.44 = 51,826.32 : x
  2. Step 2: Convert to fraction form
    141,779.16/212,689.44 = 51,826.32/x
  3. Step 3: Cross multiply
    141,779.16x = 212,689.44 × 51,826.32
  4. Step 4: Simplify right side
    141,779.16x = 11,022,910,978.06
  5. Step 5: Solve for x
    x = 11,022,910,978.06/141,779.16
  6. Step 6: Final answer
    x = 77,747.05

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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.