Home / 530,448.65-795,665.18-131,089.40

Finding the Fourth Proportional to 530,448.65, 795,665.18 and 131,089.40

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Solution

The fourth proportional to 530,448.65, 795,665.18 and 131,089.40 is: 196,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,448.65 : 795,665.18 = 131,089.40 : x
  2. Step 2: Convert to fraction form
    530,448.65/795,665.18 = 131,089.40/x
  3. Step 3: Cross multiply
    530,448.65x = 795,665.18 × 131,089.40
  4. Step 4: Simplify right side
    530,448.65x = 104,303,274,118.47
  5. Step 5: Solve for x
    x = 104,303,274,118.47/530,448.65
  6. Step 6: Final answer
    x = 196,632.18

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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.