Home / 152,433.09-210,138.30-106,970.22

Finding the Fourth Proportional to 152,433.09, 210,138.30 and 106,970.22

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Solution

The fourth proportional to 152,433.09, 210,138.30 and 106,970.22 is: 147,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,433.09 : 210,138.30 = 106,970.22 : x
  2. Step 2: Convert to fraction form
    152,433.09/210,138.30 = 106,970.22/x
  3. Step 3: Cross multiply
    152,433.09x = 210,138.30 × 106,970.22
  4. Step 4: Simplify right side
    152,433.09x = 22,478,540,181.43
  5. Step 5: Solve for x
    x = 22,478,540,181.43/152,433.09
  6. Step 6: Final answer
    x = 147,464.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.