Home / 243,756.20-364,856.70-190,879.40

Finding the Fourth Proportional to 243,756.20, 364,856.70 and 190,879.40

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Solution

The fourth proportional to 243,756.20, 364,856.70 and 190,879.40 is: 285,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,756.20 : 364,856.70 = 190,879.40 : x
  2. Step 2: Convert to fraction form
    243,756.20/364,856.70 = 190,879.40/x
  3. Step 3: Cross multiply
    243,756.20x = 364,856.70 × 190,879.40
  4. Step 4: Simplify right side
    243,756.20x = 69,643,627,981.98
  5. Step 5: Solve for x
    x = 69,643,627,981.98/243,756.20
  6. Step 6: Final answer
    x = 285,710.18

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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.