Home / 193,618.40-290,457.07-98,796.76

Finding the Fourth Proportional to 193,618.40, 290,457.07 and 98,796.76

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Solution

The fourth proportional to 193,618.40, 290,457.07 and 98,796.76 is: 148,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,618.40 : 290,457.07 = 98,796.76 : x
  2. Step 2: Convert to fraction form
    193,618.40/290,457.07 = 98,796.76/x
  3. Step 3: Cross multiply
    193,618.40x = 290,457.07 × 98,796.76
  4. Step 4: Simplify right side
    193,618.40x = 28,696,217,017.69
  5. Step 5: Solve for x
    x = 28,696,217,017.69/193,618.40
  6. Step 6: Final answer
    x = 148,210.18

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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.