Home / 197,609.56-272,762.50-112,783.08

Finding the Fourth Proportional to 197,609.56, 272,762.50 and 112,783.08

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Solution

The fourth proportional to 197,609.56, 272,762.50 and 112,783.08 is: 155,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,609.56 : 272,762.50 = 112,783.08 : x
  2. Step 2: Convert to fraction form
    197,609.56/272,762.50 = 112,783.08/x
  3. Step 3: Cross multiply
    197,609.56x = 272,762.50 × 112,783.08
  4. Step 4: Simplify right side
    197,609.56x = 30,762,994,858.50
  5. Step 5: Solve for x
    x = 30,762,994,858.50/197,609.56
  6. Step 6: Final answer
    x = 155,675.64

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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.