Home / 127,219.70-190,829.55-97,786.10

Finding the Fourth Proportional to 127,219.70, 190,829.55 and 97,786.10

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Solution

The fourth proportional to 127,219.70, 190,829.55 and 97,786.10 is: 146,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,219.70 : 190,829.55 = 97,786.10 : x
  2. Step 2: Convert to fraction form
    127,219.70/190,829.55 = 97,786.10/x
  3. Step 3: Cross multiply
    127,219.70x = 190,829.55 × 97,786.10
  4. Step 4: Simplify right side
    127,219.70x = 18,660,477,459.26
  5. Step 5: Solve for x
    x = 18,660,477,459.26/127,219.70
  6. Step 6: Final answer
    x = 146,679.15

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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.