Home / 127,228.40-190,895.48-64,014.80

Finding the Fourth Proportional to 127,228.40, 190,895.48 and 64,014.80

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Solution

The fourth proportional to 127,228.40, 190,895.48 and 64,014.80 is: 96,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,228.40 : 190,895.48 = 64,014.80 : x
  2. Step 2: Convert to fraction form
    127,228.40/190,895.48 = 64,014.80/x
  3. Step 3: Cross multiply
    127,228.40x = 190,895.48 × 64,014.80
  4. Step 4: Simplify right side
    127,228.40x = 12,220,135,973.10
  5. Step 5: Solve for x
    x = 12,220,135,973.10/127,228.40
  6. Step 6: Final answer
    x = 96,048.81

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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.