Home / 153,836.90-230,782.43-52,611.15

Finding the Fourth Proportional to 153,836.90, 230,782.43 and 52,611.15

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Solution

The fourth proportional to 153,836.90, 230,782.43 and 52,611.15 is: 78,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,836.90 : 230,782.43 = 52,611.15 : x
  2. Step 2: Convert to fraction form
    153,836.90/230,782.43 = 52,611.15/x
  3. Step 3: Cross multiply
    153,836.90x = 230,782.43 × 52,611.15
  4. Step 4: Simplify right side
    153,836.90x = 12,141,730,039.06
  5. Step 5: Solve for x
    x = 12,141,730,039.06/153,836.90
  6. Step 6: Final answer
    x = 78,925.99

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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.