Home / 107,309.40-148,140.26-67,045.51

Finding the Fourth Proportional to 107,309.40, 148,140.26 and 67,045.51

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Solution

The fourth proportional to 107,309.40, 148,140.26 and 67,045.51 is: 92,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,309.40 : 148,140.26 = 67,045.51 : x
  2. Step 2: Convert to fraction form
    107,309.40/148,140.26 = 67,045.51/x
  3. Step 3: Cross multiply
    107,309.40x = 148,140.26 × 67,045.51
  4. Step 4: Simplify right side
    107,309.40x = 9,932,139,283.23
  5. Step 5: Solve for x
    x = 9,932,139,283.23/107,309.40
  6. Step 6: Final answer
    x = 92,556.10

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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.