Home / 109,266.40-163,809.60-49,298.80

Finding the Fourth Proportional to 109,266.40, 163,809.60 and 49,298.80

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Solution

The fourth proportional to 109,266.40, 163,809.60 and 49,298.80 is: 73,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,266.40 : 163,809.60 = 49,298.80 : x
  2. Step 2: Convert to fraction form
    109,266.40/163,809.60 = 49,298.80/x
  3. Step 3: Cross multiply
    109,266.40x = 163,809.60 × 49,298.80
  4. Step 4: Simplify right side
    109,266.40x = 8,075,616,708.48
  5. Step 5: Solve for x
    x = 8,075,616,708.48/109,266.40
  6. Step 6: Final answer
    x = 73,907.59

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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.