Home / 189,410.95-261,380.28-104,526.19

Finding the Fourth Proportional to 189,410.95, 261,380.28 and 104,526.19

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Solution

The fourth proportional to 189,410.95, 261,380.28 and 104,526.19 is: 144,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,410.95 : 261,380.28 = 104,526.19 : x
  2. Step 2: Convert to fraction form
    189,410.95/261,380.28 = 104,526.19/x
  3. Step 3: Cross multiply
    189,410.95x = 261,380.28 × 104,526.19
  4. Step 4: Simplify right side
    189,410.95x = 27,321,084,809.53
  5. Step 5: Solve for x
    x = 27,321,084,809.53/189,410.95
  6. Step 6: Final answer
    x = 144,242.37

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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.