Home / 189,533.34-261,549.15-104,648.58

Finding the Fourth Proportional to 189,533.34, 261,549.15 and 104,648.58

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Solution

The fourth proportional to 189,533.34, 261,549.15 and 104,648.58 is: 144,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,533.34 : 261,549.15 = 104,648.58 : x
  2. Step 2: Convert to fraction form
    189,533.34/261,549.15 = 104,648.58/x
  3. Step 3: Cross multiply
    189,533.34x = 261,549.15 × 104,648.58
  4. Step 4: Simplify right side
    189,533.34x = 27,370,747,147.71
  5. Step 5: Solve for x
    x = 27,370,747,147.71/189,533.34
  6. Step 6: Final answer
    x = 144,411.25

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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.