Home / 613,228.60-919,888.74-163,939.12

Finding the Fourth Proportional to 613,228.60, 919,888.74 and 163,939.12

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Solution

The fourth proportional to 613,228.60, 919,888.74 and 163,939.12 is: 245,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,228.60 : 919,888.74 = 163,939.12 : x
  2. Step 2: Convert to fraction form
    613,228.60/919,888.74 = 163,939.12/x
  3. Step 3: Cross multiply
    613,228.60x = 919,888.74 × 163,939.12
  4. Step 4: Simplify right side
    613,228.60x = 150,805,750,533.51
  5. Step 5: Solve for x
    x = 150,805,750,533.51/613,228.60
  6. Step 6: Final answer
    x = 245,920.93

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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.