Home / 111,762.90-154,234.32-64,016.19

Finding the Fourth Proportional to 111,762.90, 154,234.32 and 64,016.19

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Solution

The fourth proportional to 111,762.90, 154,234.32 and 64,016.19 is: 88,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,762.90 : 154,234.32 = 64,016.19 : x
  2. Step 2: Convert to fraction form
    111,762.90/154,234.32 = 64,016.19/x
  3. Step 3: Cross multiply
    111,762.90x = 154,234.32 × 64,016.19
  4. Step 4: Simplify right side
    111,762.90x = 9,873,493,533.64
  5. Step 5: Solve for x
    x = 9,873,493,533.64/111,762.90
  6. Step 6: Final answer
    x = 88,343.21

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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.