Home / 189,152.32-261,032.02-104,272.44

Finding the Fourth Proportional to 189,152.32, 261,032.02 and 104,272.44

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Solution

The fourth proportional to 189,152.32, 261,032.02 and 104,272.44 is: 143,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,152.32 : 261,032.02 = 104,272.44 : x
  2. Step 2: Convert to fraction form
    189,152.32/261,032.02 = 104,272.44/x
  3. Step 3: Cross multiply
    189,152.32x = 261,032.02 × 104,272.44
  4. Step 4: Simplify right side
    189,152.32x = 27,218,445,643.53
  5. Step 5: Solve for x
    x = 27,218,445,643.53/189,152.32
  6. Step 6: Final answer
    x = 143,896.97

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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.