Home / 190,841.55-286,393.50-66,182.55

Finding the Fourth Proportional to 190,841.55, 286,393.50 and 66,182.55

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Solution

The fourth proportional to 190,841.55, 286,393.50 and 66,182.55 is: 99,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.55 : 286,393.50 = 66,182.55 : x
  2. Step 2: Convert to fraction form
    190,841.55/286,393.50 = 66,182.55/x
  3. Step 3: Cross multiply
    190,841.55x = 286,393.50 × 66,182.55
  4. Step 4: Simplify right side
    190,841.55x = 18,954,252,133.43
  5. Step 5: Solve for x
    x = 18,954,252,133.43/190,841.55
  6. Step 6: Final answer
    x = 99,319.32

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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.