Home / 127,266.40-190,902.02-38,519.56

Finding the Fourth Proportional to 127,266.40, 190,902.02 and 38,519.56

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Solution

The fourth proportional to 127,266.40, 190,902.02 and 38,519.56 is: 57,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.40 : 190,902.02 = 38,519.56 : x
  2. Step 2: Convert to fraction form
    127,266.40/190,902.02 = 38,519.56/x
  3. Step 3: Cross multiply
    127,266.40x = 190,902.02 × 38,519.56
  4. Step 4: Simplify right side
    127,266.40x = 7,353,461,813.51
  5. Step 5: Solve for x
    x = 7,353,461,813.51/127,266.40
  6. Step 6: Final answer
    x = 57,780.07

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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.