Home / 128,303.58-192,455.48-34,809.33

Finding the Fourth Proportional to 128,303.58, 192,455.48 and 34,809.33

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Solution

The fourth proportional to 128,303.58, 192,455.48 and 34,809.33 is: 52,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,303.58 : 192,455.48 = 34,809.33 : x
  2. Step 2: Convert to fraction form
    128,303.58/192,455.48 = 34,809.33/x
  3. Step 3: Cross multiply
    128,303.58x = 192,455.48 × 34,809.33
  4. Step 4: Simplify right side
    128,303.58x = 6,699,246,313.63
  5. Step 5: Solve for x
    x = 6,699,246,313.63/128,303.58
  6. Step 6: Final answer
    x = 52,214.02

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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.