Home / 189,070.08-260,918.46-104,190.18

Finding the Fourth Proportional to 189,070.08, 260,918.46 and 104,190.18

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Solution

The fourth proportional to 189,070.08, 260,918.46 and 104,190.18 is: 143,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,070.08 : 260,918.46 = 104,190.18 : x
  2. Step 2: Convert to fraction form
    189,070.08/260,918.46 = 104,190.18/x
  3. Step 3: Cross multiply
    189,070.08x = 260,918.46 × 104,190.18
  4. Step 4: Simplify right side
    189,070.08x = 27,185,141,312.72
  5. Step 5: Solve for x
    x = 27,185,141,312.72/189,070.08
  6. Step 6: Final answer
    x = 143,783.41

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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.