Home / 130,808.16-180,518.63-73,452.06

Finding the Fourth Proportional to 130,808.16, 180,518.63 and 73,452.06

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Solution

The fourth proportional to 130,808.16, 180,518.63 and 73,452.06 is: 101,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,808.16 : 180,518.63 = 73,452.06 : x
  2. Step 2: Convert to fraction form
    130,808.16/180,518.63 = 73,452.06/x
  3. Step 3: Cross multiply
    130,808.16x = 180,518.63 × 73,452.06
  4. Step 4: Simplify right side
    130,808.16x = 13,259,464,874.62
  5. Step 5: Solve for x
    x = 13,259,464,874.62/130,808.16
  6. Step 6: Final answer
    x = 101,365.73

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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.