Home / 152,633.04-229,081.32-105,918.72

Finding the Fourth Proportional to 152,633.04, 229,081.32 and 105,918.72

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Solution

The fourth proportional to 152,633.04, 229,081.32 and 105,918.72 is: 158,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,633.04 : 229,081.32 = 105,918.72 : x
  2. Step 2: Convert to fraction form
    152,633.04/229,081.32 = 105,918.72/x
  3. Step 3: Cross multiply
    152,633.04x = 229,081.32 × 105,918.72
  4. Step 4: Simplify right side
    152,633.04x = 24,264,000,190.31
  5. Step 5: Solve for x
    x = 24,264,000,190.31/152,633.04
  6. Step 6: Final answer
    x = 158,969.51

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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.