Home / 127,034.90-190,561.26-38,289.14

Finding the Fourth Proportional to 127,034.90, 190,561.26 and 38,289.14

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Solution

The fourth proportional to 127,034.90, 190,561.26 and 38,289.14 is: 57,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,034.90 : 190,561.26 = 38,289.14 : x
  2. Step 2: Convert to fraction form
    127,034.90/190,561.26 = 38,289.14/x
  3. Step 3: Cross multiply
    127,034.90x = 190,561.26 × 38,289.14
  4. Step 4: Simplify right side
    127,034.90x = 7,296,426,762.72
  5. Step 5: Solve for x
    x = 7,296,426,762.72/127,034.90
  6. Step 6: Final answer
    x = 57,436.40

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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.