Home / 104,931.98-144,801.90-57,184.30

Finding the Fourth Proportional to 104,931.98, 144,801.90 and 57,184.30

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Solution

The fourth proportional to 104,931.98, 144,801.90 and 57,184.30 is: 78,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.98 : 144,801.90 = 57,184.30 : x
  2. Step 2: Convert to fraction form
    104,931.98/144,801.90 = 57,184.30/x
  3. Step 3: Cross multiply
    104,931.98x = 144,801.90 × 57,184.30
  4. Step 4: Simplify right side
    104,931.98x = 8,280,395,290.17
  5. Step 5: Solve for x
    x = 8,280,395,290.17/104,931.98
  6. Step 6: Final answer
    x = 78,912.03

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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.