Home / 197,403.53-272,417.70-106,759.51

Finding the Fourth Proportional to 197,403.53, 272,417.70 and 106,759.51

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Solution

The fourth proportional to 197,403.53, 272,417.70 and 106,759.51 is: 147,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,403.53 : 272,417.70 = 106,759.51 : x
  2. Step 2: Convert to fraction form
    197,403.53/272,417.70 = 106,759.51/x
  3. Step 3: Cross multiply
    197,403.53x = 272,417.70 × 106,759.51
  4. Step 4: Simplify right side
    197,403.53x = 29,083,179,886.63
  5. Step 5: Solve for x
    x = 29,083,179,886.63/197,403.53
  6. Step 6: Final answer
    x = 147,328.57

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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.