Home / 133,432.03-200,303.84-105,370.98

Finding the Fourth Proportional to 133,432.03, 200,303.84 and 105,370.98

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Solution

The fourth proportional to 133,432.03, 200,303.84 and 105,370.98 is: 158,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,432.03 : 200,303.84 = 105,370.98 : x
  2. Step 2: Convert to fraction form
    133,432.03/200,303.84 = 105,370.98/x
  3. Step 3: Cross multiply
    133,432.03x = 200,303.84 × 105,370.98
  4. Step 4: Simplify right side
    133,432.03x = 21,106,211,918.56
  5. Step 5: Solve for x
    x = 21,106,211,918.56/133,432.03
  6. Step 6: Final answer
    x = 158,179.50

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1.5x scale

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.