Home / 147,777.60-221,338.35-121,533.60

Finding the Fourth Proportional to 147,777.60, 221,338.35 and 121,533.60

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Solution

The fourth proportional to 147,777.60, 221,338.35 and 121,533.60 is: 182,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777.60 : 221,338.35 = 121,533.60 : x
  2. Step 2: Convert to fraction form
    147,777.60/221,338.35 = 121,533.60/x
  3. Step 3: Cross multiply
    147,777.60x = 221,338.35 × 121,533.60
  4. Step 4: Simplify right side
    147,777.60x = 26,900,046,493.56
  5. Step 5: Solve for x
    x = 26,900,046,493.56/147,777.60
  6. Step 6: Final answer
    x = 182,030.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.