Home / 130,615.60-180,247.53-73,254.91

Finding the Fourth Proportional to 130,615.60, 180,247.53 and 73,254.91

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Solution

The fourth proportional to 130,615.60, 180,247.53 and 73,254.91 is: 101,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,615.60 : 180,247.53 = 73,254.91 : x
  2. Step 2: Convert to fraction form
    130,615.60/180,247.53 = 73,254.91/x
  3. Step 3: Cross multiply
    130,615.60x = 180,247.53 × 73,254.91
  4. Step 4: Simplify right side
    130,615.60x = 13,204,016,587.87
  5. Step 5: Solve for x
    x = 13,204,016,587.87/130,615.60
  6. Step 6: Final answer
    x = 101,090.66

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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.