Home / 199,143.86-274,920.09-134,952.22

Finding the Fourth Proportional to 199,143.86, 274,920.09 and 134,952.22

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Solution

The fourth proportional to 199,143.86, 274,920.09 and 134,952.22 is: 186,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,143.86 : 274,920.09 = 134,952.22 : x
  2. Step 2: Convert to fraction form
    199,143.86/274,920.09 = 134,952.22/x
  3. Step 3: Cross multiply
    199,143.86x = 274,920.09 × 134,952.22
  4. Step 4: Simplify right side
    199,143.86x = 37,101,075,093.50
  5. Step 5: Solve for x
    x = 37,101,075,093.50/199,143.86
  6. Step 6: Final answer
    x = 186,302.89

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1.5x scale

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.