Home / 197,454.54-272,400.70-115,741.36

Finding the Fourth Proportional to 197,454.54, 272,400.70 and 115,741.36

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Solution

The fourth proportional to 197,454.54, 272,400.70 and 115,741.36 is: 159,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,454.54 : 272,400.70 = 115,741.36 : x
  2. Step 2: Convert to fraction form
    197,454.54/272,400.70 = 115,741.36/x
  3. Step 3: Cross multiply
    197,454.54x = 272,400.70 × 115,741.36
  4. Step 4: Simplify right side
    197,454.54x = 31,528,027,482.95
  5. Step 5: Solve for x
    x = 31,528,027,482.95/197,454.54
  6. Step 6: Final answer
    x = 159,672.34

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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.