Home / 346,946.80-520,074.60-159,631.60

Finding the Fourth Proportional to 346,946.80, 520,074.60 and 159,631.60

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Solution

The fourth proportional to 346,946.80, 520,074.60 and 159,631.60 is: 239,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,946.80 : 520,074.60 = 159,631.60 : x
  2. Step 2: Convert to fraction form
    346,946.80/520,074.60 = 159,631.60/x
  3. Step 3: Cross multiply
    346,946.80x = 520,074.60 × 159,631.60
  4. Step 4: Simplify right side
    346,946.80x = 83,020,340,517.36
  5. Step 5: Solve for x
    x = 83,020,340,517.36/346,946.80
  6. Step 6: Final answer
    x = 239,288.39

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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.