Home / 101,026.19-151,533.78-30,905.50

Finding the Fourth Proportional to 101,026.19, 151,533.78 and 30,905.50

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Solution

The fourth proportional to 101,026.19, 151,533.78 and 30,905.50 is: 46,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,026.19 : 151,533.78 = 30,905.50 : x
  2. Step 2: Convert to fraction form
    101,026.19/151,533.78 = 30,905.50/x
  3. Step 3: Cross multiply
    101,026.19x = 151,533.78 × 30,905.50
  4. Step 4: Simplify right side
    101,026.19x = 4,683,226,480.12
  5. Step 5: Solve for x
    x = 4,683,226,480.12/101,026.19
  6. Step 6: Final answer
    x = 46,356.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.