Home / 130,099.19-179,534.54-73,509.35

Finding the Fourth Proportional to 130,099.19, 179,534.54 and 73,509.35

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Solution

The fourth proportional to 130,099.19, 179,534.54 and 73,509.35 is: 101,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,099.19 : 179,534.54 = 73,509.35 : x
  2. Step 2: Convert to fraction form
    130,099.19/179,534.54 = 73,509.35/x
  3. Step 3: Cross multiply
    130,099.19x = 179,534.54 × 73,509.35
  4. Step 4: Simplify right side
    130,099.19x = 13,197,466,624.05
  5. Step 5: Solve for x
    x = 13,197,466,624.05/130,099.19
  6. Step 6: Final answer
    x = 101,441.58

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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.