Home / 130,697.79-180,383.34-73,360.37

Finding the Fourth Proportional to 130,697.79, 180,383.34 and 73,360.37

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Solution

The fourth proportional to 130,697.79, 180,383.34 and 73,360.37 is: 101,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697.79 : 180,383.34 = 73,360.37 : x
  2. Step 2: Convert to fraction form
    130,697.79/180,383.34 = 73,360.37/x
  3. Step 3: Cross multiply
    130,697.79x = 180,383.34 × 73,360.37
  4. Step 4: Simplify right side
    130,697.79x = 13,232,987,662.32
  5. Step 5: Solve for x
    x = 13,232,987,662.32/130,697.79
  6. Step 6: Final answer
    x = 101,248.75

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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.