Home / 130,588.44-180,118.69-119,867.35

Finding the Fourth Proportional to 130,588.44, 180,118.69 and 119,867.35

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Solution

The fourth proportional to 130,588.44, 180,118.69 and 119,867.35 is: 165,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,588.44 : 180,118.69 = 119,867.35 : x
  2. Step 2: Convert to fraction form
    130,588.44/180,118.69 = 119,867.35/x
  3. Step 3: Cross multiply
    130,588.44x = 180,118.69 × 119,867.35
  4. Step 4: Simplify right side
    130,588.44x = 21,590,350,055.77
  5. Step 5: Solve for x
    x = 21,590,350,055.77/130,588.44
  6. Step 6: Final answer
    x = 165,331.25

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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.