Home / 127,639.37-191,167.44-61,126.22

Finding the Fourth Proportional to 127,639.37, 191,167.44 and 61,126.22

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Solution

The fourth proportional to 127,639.37, 191,167.44 and 61,126.22 is: 91,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,639.37 : 191,167.44 = 61,126.22 : x
  2. Step 2: Convert to fraction form
    127,639.37/191,167.44 = 61,126.22/x
  3. Step 3: Cross multiply
    127,639.37x = 191,167.44 × 61,126.22
  4. Step 4: Simplify right side
    127,639.37x = 11,685,342,038.44
  5. Step 5: Solve for x
    x = 11,685,342,038.44/127,639.37
  6. Step 6: Final answer
    x = 91,549.67

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1.5x scale

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.