Home / 141,277.12-211,913.28-74,703.04

Finding the Fourth Proportional to 141,277.12, 211,913.28 and 74,703.04

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Solution

The fourth proportional to 141,277.12, 211,913.28 and 74,703.04 is: 112,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,277.12 : 211,913.28 = 74,703.04 : x
  2. Step 2: Convert to fraction form
    141,277.12/211,913.28 = 74,703.04/x
  3. Step 3: Cross multiply
    141,277.12x = 211,913.28 × 74,703.04
  4. Step 4: Simplify right side
    141,277.12x = 15,830,566,232.37
  5. Step 5: Solve for x
    x = 15,830,566,232.37/141,277.12
  6. Step 6: Final answer
    x = 112,053.29

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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.