Home / 130,100.18-179,533.68-73,510.34

Finding the Fourth Proportional to 130,100.18, 179,533.68 and 73,510.34

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Solution

The fourth proportional to 130,100.18, 179,533.68 and 73,510.34 is: 101,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,100.18 : 179,533.68 = 73,510.34 : x
  2. Step 2: Convert to fraction form
    130,100.18/179,533.68 = 73,510.34/x
  3. Step 3: Cross multiply
    130,100.18x = 179,533.68 × 73,510.34
  4. Step 4: Simplify right side
    130,100.18x = 13,197,581,858.25
  5. Step 5: Solve for x
    x = 13,197,581,858.25/130,100.18
  6. Step 6: Final answer
    x = 101,441.69

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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.