Home / 260,583.51-390,750.33-127,307.73

Finding the Fourth Proportional to 260,583.51, 390,750.33 and 127,307.73

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Solution

The fourth proportional to 260,583.51, 390,750.33 and 127,307.73 is: 190,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,583.51 : 390,750.33 = 127,307.73 : x
  2. Step 2: Convert to fraction form
    260,583.51/390,750.33 = 127,307.73/x
  3. Step 3: Cross multiply
    260,583.51x = 390,750.33 × 127,307.73
  4. Step 4: Simplify right side
    260,583.51x = 49,745,537,509.05
  5. Step 5: Solve for x
    x = 49,745,537,509.05/260,583.51
  6. Step 6: Final answer
    x = 190,900.56

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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.