Home / 152,991.72-229,577.40-64,238.40

Finding the Fourth Proportional to 152,991.72, 229,577.40 and 64,238.40

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Solution

The fourth proportional to 152,991.72, 229,577.40 and 64,238.40 is: 96,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,991.72 : 229,577.40 = 64,238.40 : x
  2. Step 2: Convert to fraction form
    152,991.72/229,577.40 = 64,238.40/x
  3. Step 3: Cross multiply
    152,991.72x = 229,577.40 × 64,238.40
  4. Step 4: Simplify right side
    152,991.72x = 14,747,684,852.16
  5. Step 5: Solve for x
    x = 14,747,684,852.16/152,991.72
  6. Step 6: Final answer
    x = 96,395.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.