Home / 158,176.41-238,364.99-143,188.08

Finding the Fourth Proportional to 158,176.41, 238,364.99 and 143,188.08

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Solution

The fourth proportional to 158,176.41, 238,364.99 and 143,188.08 is: 215,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,176.41 : 238,364.99 = 143,188.08 : x
  2. Step 2: Convert to fraction form
    158,176.41/238,364.99 = 143,188.08/x
  3. Step 3: Cross multiply
    158,176.41x = 238,364.99 × 143,188.08
  4. Step 4: Simplify right side
    158,176.41x = 34,131,024,541.38
  5. Step 5: Solve for x
    x = 34,131,024,541.38/158,176.41
  6. Step 6: Final answer
    x = 215,778.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.