Home / 127,231.40-190,847.10-124,315.40

Finding the Fourth Proportional to 127,231.40, 190,847.10 and 124,315.40

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Solution

The fourth proportional to 127,231.40, 190,847.10 and 124,315.40 is: 186,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,231.40 : 190,847.10 = 124,315.40 : x
  2. Step 2: Convert to fraction form
    127,231.40/190,847.10 = 124,315.40/x
  3. Step 3: Cross multiply
    127,231.40x = 190,847.10 × 124,315.40
  4. Step 4: Simplify right side
    127,231.40x = 23,725,233,575.34
  5. Step 5: Solve for x
    x = 23,725,233,575.34/127,231.40
  6. Step 6: Final answer
    x = 186,473.10

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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.