Home / 175,312.20-262,968.30-121,657.80

Finding the Fourth Proportional to 175,312.20, 262,968.30 and 121,657.80

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Solution

The fourth proportional to 175,312.20, 262,968.30 and 121,657.80 is: 182,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,312.20 : 262,968.30 = 121,657.80 : x
  2. Step 2: Convert to fraction form
    175,312.20/262,968.30 = 121,657.80/x
  3. Step 3: Cross multiply
    175,312.20x = 262,968.30 × 121,657.80
  4. Step 4: Simplify right side
    175,312.20x = 31,992,144,847.74
  5. Step 5: Solve for x
    x = 31,992,144,847.74/175,312.20
  6. Step 6: Final answer
    x = 182,486.70

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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.