Home / 189,075.04-260,929.20-104,197.60

Finding the Fourth Proportional to 189,075.04, 260,929.20 and 104,197.60

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Solution

The fourth proportional to 189,075.04, 260,929.20 and 104,197.60 is: 143,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,075.04 : 260,929.20 = 104,197.60 : x
  2. Step 2: Convert to fraction form
    189,075.04/260,929.20 = 104,197.60/x
  3. Step 3: Cross multiply
    189,075.04x = 260,929.20 × 104,197.60
  4. Step 4: Simplify right side
    189,075.04x = 27,188,196,409.92
  5. Step 5: Solve for x
    x = 27,188,196,409.92/189,075.04
  6. Step 6: Final answer
    x = 143,795.80

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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.