Home / 189,852.12-261,973.02-104,957.64

Finding the Fourth Proportional to 189,852.12, 261,973.02 and 104,957.64

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Solution

The fourth proportional to 189,852.12, 261,973.02 and 104,957.64 is: 144,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,852.12 : 261,973.02 = 104,957.64 : x
  2. Step 2: Convert to fraction form
    189,852.12/261,973.02 = 104,957.64/x
  3. Step 3: Cross multiply
    189,852.12x = 261,973.02 × 104,957.64
  4. Step 4: Simplify right side
    189,852.12x = 27,496,069,922.87
  5. Step 5: Solve for x
    x = 27,496,069,922.87/189,852.12
  6. Step 6: Final answer
    x = 144,828.88

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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.