Home / 95,521.56-143,263.94-90,780.06

Finding the Fourth Proportional to 95,521.56, 143,263.94 and 90,780.06

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Solution

The fourth proportional to 95,521.56, 143,263.94 and 90,780.06 is: 136,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,521.56 : 143,263.94 = 90,780.06 : x
  2. Step 2: Convert to fraction form
    95,521.56/143,263.94 = 90,780.06/x
  3. Step 3: Cross multiply
    95,521.56x = 143,263.94 × 90,780.06
  4. Step 4: Simplify right side
    95,521.56x = 13,005,509,069.04
  5. Step 5: Solve for x
    x = 13,005,509,069.04/95,521.56
  6. Step 6: Final answer
    x = 136,152.60

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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.