Home / 127,089.79-190,636.06-38,344.07

Finding the Fourth Proportional to 127,089.79, 190,636.06 and 38,344.07

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Solution

The fourth proportional to 127,089.79, 190,636.06 and 38,344.07 is: 57,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,089.79 : 190,636.06 = 38,344.07 : x
  2. Step 2: Convert to fraction form
    127,089.79/190,636.06 = 38,344.07/x
  3. Step 3: Cross multiply
    127,089.79x = 190,636.06 × 38,344.07
  4. Step 4: Simplify right side
    127,089.79x = 7,309,762,429.16
  5. Step 5: Solve for x
    x = 7,309,762,429.16/127,089.79
  6. Step 6: Final answer
    x = 57,516.52

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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.