Home / 346,944.80-520,071.60-159,629.60

Finding the Fourth Proportional to 346,944.80, 520,071.60 and 159,629.60

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Solution

The fourth proportional to 346,944.80, 520,071.60 and 159,629.60 is: 239,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,944.80 : 520,071.60 = 159,629.60 : x
  2. Step 2: Convert to fraction form
    346,944.80/520,071.60 = 159,629.60/x
  3. Step 3: Cross multiply
    346,944.80x = 520,071.60 × 159,629.60
  4. Step 4: Simplify right side
    346,944.80x = 83,018,821,479.36
  5. Step 5: Solve for x
    x = 83,018,821,479.36/346,944.80
  6. Step 6: Final answer
    x = 239,285.39

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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.