Home / 157,870.40-236,794.80-51,252.80

Finding the Fourth Proportional to 157,870.40, 236,794.80 and 51,252.80

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Solution

The fourth proportional to 157,870.40, 236,794.80 and 51,252.80 is: 76,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,870.40 : 236,794.80 = 51,252.80 : x
  2. Step 2: Convert to fraction form
    157,870.40/236,794.80 = 51,252.80/x
  3. Step 3: Cross multiply
    157,870.40x = 236,794.80 × 51,252.80
  4. Step 4: Simplify right side
    157,870.40x = 12,136,396,525.44
  5. Step 5: Solve for x
    x = 12,136,396,525.44/157,870.40
  6. Step 6: Final answer
    x = 76,875.69

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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.