Home / 153,303.20-229,940.40-69,068.96

Finding the Fourth Proportional to 153,303.20, 229,940.40 and 69,068.96

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Solution

The fourth proportional to 153,303.20, 229,940.40 and 69,068.96 is: 103,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,303.20 : 229,940.40 = 69,068.96 : x
  2. Step 2: Convert to fraction form
    153,303.20/229,940.40 = 69,068.96/x
  3. Step 3: Cross multiply
    153,303.20x = 229,940.40 × 69,068.96
  4. Step 4: Simplify right side
    153,303.20x = 15,881,744,289.98
  5. Step 5: Solve for x
    x = 15,881,744,289.98/153,303.20
  6. Step 6: Final answer
    x = 103,596.95

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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.