Home / 130,457.74-180,029.06-73,096.36

Finding the Fourth Proportional to 130,457.74, 180,029.06 and 73,096.36

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Solution

The fourth proportional to 130,457.74, 180,029.06 and 73,096.36 is: 100,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,457.74 : 180,029.06 = 73,096.36 : x
  2. Step 2: Convert to fraction form
    130,457.74/180,029.06 = 73,096.36/x
  3. Step 3: Cross multiply
    130,457.74x = 180,029.06 × 73,096.36
  4. Step 4: Simplify right side
    130,457.74x = 13,159,468,980.22
  5. Step 5: Solve for x
    x = 13,159,468,980.22/130,457.74
  6. Step 6: Final answer
    x = 100,871.51

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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.