Home / 149,619.60-224,947.80-146,509.20

Finding the Fourth Proportional to 149,619.60, 224,947.80 and 146,509.20

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Solution

The fourth proportional to 149,619.60, 224,947.80 and 146,509.20 is: 220,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619.60 : 224,947.80 = 146,509.20 : x
  2. Step 2: Convert to fraction form
    149,619.60/224,947.80 = 146,509.20/x
  3. Step 3: Cross multiply
    149,619.60x = 224,947.80 × 146,509.20
  4. Step 4: Simplify right side
    149,619.60x = 32,956,922,219.76
  5. Step 5: Solve for x
    x = 32,956,922,219.76/149,619.60
  6. Step 6: Final answer
    x = 220,271.42

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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.