Home / 282,150.95-389,367.77-153,089.39

Finding the Fourth Proportional to 282,150.95, 389,367.77 and 153,089.39

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Solution

The fourth proportional to 282,150.95, 389,367.77 and 153,089.39 is: 211,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,150.95 : 389,367.77 = 153,089.39 : x
  2. Step 2: Convert to fraction form
    282,150.95/389,367.77 = 153,089.39/x
  3. Step 3: Cross multiply
    282,150.95x = 389,367.77 × 153,089.39
  4. Step 4: Simplify right side
    282,150.95x = 59,608,072,448.12
  5. Step 5: Solve for x
    x = 59,608,072,448.12/282,150.95
  6. Step 6: Final answer
    x = 211,263.06

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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.