Home / 163,626.70-245,440.05-113,860.30

Finding the Fourth Proportional to 163,626.70, 245,440.05 and 113,860.30

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Solution

The fourth proportional to 163,626.70, 245,440.05 and 113,860.30 is: 170,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,626.70 : 245,440.05 = 113,860.30 : x
  2. Step 2: Convert to fraction form
    163,626.70/245,440.05 = 113,860.30/x
  3. Step 3: Cross multiply
    163,626.70x = 245,440.05 × 113,860.30
  4. Step 4: Simplify right side
    163,626.70x = 27,945,877,725.02
  5. Step 5: Solve for x
    x = 27,945,877,725.02/163,626.70
  6. Step 6: Final answer
    x = 170,790.45

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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.