Home / 193,688.51-290,620.40-98,869.73

Finding the Fourth Proportional to 193,688.51, 290,620.40 and 98,869.73

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Solution

The fourth proportional to 193,688.51, 290,620.40 and 98,869.73 is: 148,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,688.51 : 290,620.40 = 98,869.73 : x
  2. Step 2: Convert to fraction form
    193,688.51/290,620.40 = 98,869.73/x
  3. Step 3: Cross multiply
    193,688.51x = 290,620.40 × 98,869.73
  4. Step 4: Simplify right side
    193,688.51x = 28,733,558,533.04
  5. Step 5: Solve for x
    x = 28,733,558,533.04/193,688.51
  6. Step 6: Final answer
    x = 148,349.32

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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.