Home / 149,142.60-223,713.72-102,253.32

Finding the Fourth Proportional to 149,142.60, 223,713.72 and 102,253.32

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Solution

The fourth proportional to 149,142.60, 223,713.72 and 102,253.32 is: 153,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,142.60 : 223,713.72 = 102,253.32 : x
  2. Step 2: Convert to fraction form
    149,142.60/223,713.72 = 102,253.32/x
  3. Step 3: Cross multiply
    149,142.60x = 223,713.72 × 102,253.32
  4. Step 4: Simplify right side
    149,142.60x = 22,875,470,599.55
  5. Step 5: Solve for x
    x = 22,875,470,599.55/149,142.60
  6. Step 6: Final answer
    x = 153,379.86

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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.