Home / 243,754.20-364,853.70-190,877.40

Finding the Fourth Proportional to 243,754.20, 364,853.70 and 190,877.40

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Solution

The fourth proportional to 243,754.20, 364,853.70 and 190,877.40 is: 285,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,754.20 : 364,853.70 = 190,877.40 : x
  2. Step 2: Convert to fraction form
    243,754.20/364,853.70 = 190,877.40/x
  3. Step 3: Cross multiply
    243,754.20x = 364,853.70 × 190,877.40
  4. Step 4: Simplify right side
    243,754.20x = 69,642,325,636.38
  5. Step 5: Solve for x
    x = 69,642,325,636.38/243,754.20
  6. Step 6: Final answer
    x = 285,707.18

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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.