Home / 156,975.58-235,461.43-38,647.95

Finding the Fourth Proportional to 156,975.58, 235,461.43 and 38,647.95

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Solution

The fourth proportional to 156,975.58, 235,461.43 and 38,647.95 is: 57,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.58 : 235,461.43 = 38,647.95 : x
  2. Step 2: Convert to fraction form
    156,975.58/235,461.43 = 38,647.95/x
  3. Step 3: Cross multiply
    156,975.58x = 235,461.43 × 38,647.95
  4. Step 4: Simplify right side
    156,975.58x = 9,100,101,573.57
  5. Step 5: Solve for x
    x = 9,100,101,573.57/156,975.58
  6. Step 6: Final answer
    x = 57,971.45

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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.