Home / 130,632.06-180,272.19-71,016.06

Finding the Fourth Proportional to 130,632.06, 180,272.19 and 71,016.06

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Solution

The fourth proportional to 130,632.06, 180,272.19 and 71,016.06 is: 98,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,632.06 : 180,272.19 = 71,016.06 : x
  2. Step 2: Convert to fraction form
    130,632.06/180,272.19 = 71,016.06/x
  3. Step 3: Cross multiply
    130,632.06x = 180,272.19 × 71,016.06
  4. Step 4: Simplify right side
    130,632.06x = 12,802,220,661.37
  5. Step 5: Solve for x
    x = 12,802,220,661.37/130,632.06
  6. Step 6: Final answer
    x = 98,002.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.