Home / 152,771.58-210,869.73-99,059.94

Finding the Fourth Proportional to 152,771.58, 210,869.73 and 99,059.94

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Solution

The fourth proportional to 152,771.58, 210,869.73 and 99,059.94 is: 136,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,771.58 : 210,869.73 = 99,059.94 : x
  2. Step 2: Convert to fraction form
    152,771.58/210,869.73 = 99,059.94/x
  3. Step 3: Cross multiply
    152,771.58x = 210,869.73 × 99,059.94
  4. Step 4: Simplify right side
    152,771.58x = 20,888,742,801.62
  5. Step 5: Solve for x
    x = 20,888,742,801.62/152,771.58
  6. Step 6: Final answer
    x = 136,731.86

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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.