Home / 251,085.84-346,558.80-143,718.12

Finding the Fourth Proportional to 251,085.84, 346,558.80 and 143,718.12

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Solution

The fourth proportional to 251,085.84, 346,558.80 and 143,718.12 is: 198,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,085.84 : 346,558.80 = 143,718.12 : x
  2. Step 2: Convert to fraction form
    251,085.84/346,558.80 = 143,718.12/x
  3. Step 3: Cross multiply
    251,085.84x = 346,558.80 × 143,718.12
  4. Step 4: Simplify right side
    251,085.84x = 49,806,779,205.46
  5. Step 5: Solve for x
    x = 49,806,779,205.46/251,085.84
  6. Step 6: Final answer
    x = 198,365.54

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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.