Home / 130,110.76-179,533.02-73,501.48

Finding the Fourth Proportional to 130,110.76, 179,533.02 and 73,501.48

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Solution

The fourth proportional to 130,110.76, 179,533.02 and 73,501.48 is: 101,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,110.76 : 179,533.02 = 73,501.48 : x
  2. Step 2: Convert to fraction form
    130,110.76/179,533.02 = 73,501.48/x
  3. Step 3: Cross multiply
    130,110.76x = 179,533.02 × 73,501.48
  4. Step 4: Simplify right side
    130,110.76x = 13,195,942,678.87
  5. Step 5: Solve for x
    x = 13,195,942,678.87/130,110.76
  6. Step 6: Final answer
    x = 101,420.84

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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.