Home / 369,538.92-554,136.06-191,998.20

Finding the Fourth Proportional to 369,538.92, 554,136.06 and 191,998.20

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Solution

The fourth proportional to 369,538.92, 554,136.06 and 191,998.20 is: 287,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,538.92 : 554,136.06 = 191,998.20 : x
  2. Step 2: Convert to fraction form
    369,538.92/554,136.06 = 191,998.20/x
  3. Step 3: Cross multiply
    369,538.92x = 554,136.06 × 191,998.20
  4. Step 4: Simplify right side
    369,538.92x = 106,393,126,075.09
  5. Step 5: Solve for x
    x = 106,393,126,075.09/369,538.92
  6. Step 6: Final answer
    x = 287,907.77

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1.5x scale

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.