Home / 258,290.94-356,538.18-193,946.04

Finding the Fourth Proportional to 258,290.94, 356,538.18 and 193,946.04

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Solution

The fourth proportional to 258,290.94, 356,538.18 and 193,946.04 is: 267,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,290.94 : 356,538.18 = 193,946.04 : x
  2. Step 2: Convert to fraction form
    258,290.94/356,538.18 = 193,946.04/x
  3. Step 3: Cross multiply
    258,290.94x = 356,538.18 × 193,946.04
  4. Step 4: Simplify right side
    258,290.94x = 69,149,168,119.81
  5. Step 5: Solve for x
    x = 69,149,168,119.81/258,290.94
  6. Step 6: Final answer
    x = 267,718.13

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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.