Home / 127,086.83-190,506.29-60,509.07

Finding the Fourth Proportional to 127,086.83, 190,506.29 and 60,509.07

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Solution

The fourth proportional to 127,086.83, 190,506.29 and 60,509.07 is: 90,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,086.83 : 190,506.29 = 60,509.07 : x
  2. Step 2: Convert to fraction form
    127,086.83/190,506.29 = 60,509.07/x
  3. Step 3: Cross multiply
    127,086.83x = 190,506.29 × 60,509.07
  4. Step 4: Simplify right side
    127,086.83x = 11,527,358,134.51
  5. Step 5: Solve for x
    x = 11,527,358,134.51/127,086.83
  6. Step 6: Final answer
    x = 90,704.59

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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.