Home / 127,639.37-191,459.01-34,142.69

Finding the Fourth Proportional to 127,639.37, 191,459.01 and 34,142.69

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Solution

The fourth proportional to 127,639.37, 191,459.01 and 34,142.69 is: 51,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,639.37 : 191,459.01 = 34,142.69 : x
  2. Step 2: Convert to fraction form
    127,639.37/191,459.01 = 34,142.69/x
  3. Step 3: Cross multiply
    127,639.37x = 191,459.01 × 34,142.69
  4. Step 4: Simplify right side
    127,639.37x = 6,536,925,626.14
  5. Step 5: Solve for x
    x = 6,536,925,626.14/127,639.37
  6. Step 6: Final answer
    x = 51,214.02

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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.