Home / 141,317.10-211,643.28-66,275.46

Finding the Fourth Proportional to 141,317.10, 211,643.28 and 66,275.46

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Solution

The fourth proportional to 141,317.10, 211,643.28 and 66,275.46 is: 99,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,317.10 : 211,643.28 = 66,275.46 : x
  2. Step 2: Convert to fraction form
    141,317.10/211,643.28 = 66,275.46/x
  3. Step 3: Cross multiply
    141,317.10x = 211,643.28 × 66,275.46
  4. Step 4: Simplify right side
    141,317.10x = 14,026,755,737.91
  5. Step 5: Solve for x
    x = 14,026,755,737.91/141,317.10
  6. Step 6: Final answer
    x = 99,257.31

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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.