Home / 130,035.36-179,435.76-73,435.92

Finding the Fourth Proportional to 130,035.36, 179,435.76 and 73,435.92

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Solution

The fourth proportional to 130,035.36, 179,435.76 and 73,435.92 is: 101,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,035.36 : 179,435.76 = 73,435.92 : x
  2. Step 2: Convert to fraction form
    130,035.36/179,435.76 = 73,435.92/x
  3. Step 3: Cross multiply
    130,035.36x = 179,435.76 × 73,435.92
  4. Step 4: Simplify right side
    130,035.36x = 13,177,030,116.50
  5. Step 5: Solve for x
    x = 13,177,030,116.50/130,035.36
  6. Step 6: Final answer
    x = 101,334.21

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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.