Home / 235,938.02-325,583.25-128,507.54

Finding the Fourth Proportional to 235,938.02, 325,583.25 and 128,507.54

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Solution

The fourth proportional to 235,938.02, 325,583.25 and 128,507.54 is: 177,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,938.02 : 325,583.25 = 128,507.54 : x
  2. Step 2: Convert to fraction form
    235,938.02/325,583.25 = 128,507.54/x
  3. Step 3: Cross multiply
    235,938.02x = 325,583.25 × 128,507.54
  4. Step 4: Simplify right side
    235,938.02x = 41,839,902,522.71
  5. Step 5: Solve for x
    x = 41,839,902,522.71/235,938.02
  6. Step 6: Final answer
    x = 177,334.30

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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.