Home / 127,273.40-190,931.70-38,526.20

Finding the Fourth Proportional to 127,273.40, 190,931.70 and 38,526.20

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Solution

The fourth proportional to 127,273.40, 190,931.70 and 38,526.20 is: 57,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,273.40 : 190,931.70 = 38,526.20 : x
  2. Step 2: Convert to fraction form
    127,273.40/190,931.70 = 38,526.20/x
  3. Step 3: Cross multiply
    127,273.40x = 190,931.70 × 38,526.20
  4. Step 4: Simplify right side
    127,273.40x = 7,355,872,860.54
  5. Step 5: Solve for x
    x = 7,355,872,860.54/127,273.40
  6. Step 6: Final answer
    x = 57,795.84

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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.