Home / 219,075.02-328,660.05-67,272.62

Finding the Fourth Proportional to 219,075.02, 328,660.05 and 67,272.62

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Solution

The fourth proportional to 219,075.02, 328,660.05 and 67,272.62 is: 100,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,075.02 : 328,660.05 = 67,272.62 : x
  2. Step 2: Convert to fraction form
    219,075.02/328,660.05 = 67,272.62/x
  3. Step 3: Cross multiply
    219,075.02x = 328,660.05 × 67,272.62
  4. Step 4: Simplify right side
    219,075.02x = 22,109,821,009.53
  5. Step 5: Solve for x
    x = 22,109,821,009.53/219,075.02
  6. Step 6: Final answer
    x = 100,923.52

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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.