Home / 162,269.40-243,287.38-73,477.20

Finding the Fourth Proportional to 162,269.40, 243,287.38 and 73,477.20

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Solution

The fourth proportional to 162,269.40, 243,287.38 and 73,477.20 is: 110,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,269.40 : 243,287.38 = 73,477.20 : x
  2. Step 2: Convert to fraction form
    162,269.40/243,287.38 = 73,477.20/x
  3. Step 3: Cross multiply
    162,269.40x = 243,287.38 × 73,477.20
  4. Step 4: Simplify right side
    162,269.40x = 17,876,075,477.74
  5. Step 5: Solve for x
    x = 17,876,075,477.74/162,269.40
  6. Step 6: Final answer
    x = 110,162.95

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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.