Home / 195,971.52-293,724-136,485.12

Finding the Fourth Proportional to 195,971.52, 293,724 and 136,485.12

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Solution

The fourth proportional to 195,971.52, 293,724 and 136,485.12 is: 204,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,971.52 : 293,724 = 136,485.12 : x
  2. Step 2: Convert to fraction form
    195,971.52/293,724 = 136,485.12/x
  3. Step 3: Cross multiply
    195,971.52x = 293,724 × 136,485.12
  4. Step 4: Simplify right side
    195,971.52x = 40,088,955,386.88
  5. Step 5: Solve for x
    x = 40,088,955,386.88/195,971.52
  6. Step 6: Final answer
    x = 204,565.21

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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.