Home / 197,113.98-272,017.56-112,231.08

Finding the Fourth Proportional to 197,113.98, 272,017.56 and 112,231.08

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Solution

The fourth proportional to 197,113.98, 272,017.56 and 112,231.08 is: 154,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,113.98 : 272,017.56 = 112,231.08 : x
  2. Step 2: Convert to fraction form
    197,113.98/272,017.56 = 112,231.08/x
  3. Step 3: Cross multiply
    197,113.98x = 272,017.56 × 112,231.08
  4. Step 4: Simplify right side
    197,113.98x = 30,528,824,537.76
  5. Step 5: Solve for x
    x = 30,528,824,537.76/197,113.98
  6. Step 6: Final answer
    x = 154,879.04

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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.