Home / 190,526.22-286,066.35-140,137.74

Finding the Fourth Proportional to 190,526.22, 286,066.35 and 140,137.74

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Solution

The fourth proportional to 190,526.22, 286,066.35 and 140,137.74 is: 210,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,526.22 : 286,066.35 = 140,137.74 : x
  2. Step 2: Convert to fraction form
    190,526.22/286,066.35 = 140,137.74/x
  3. Step 3: Cross multiply
    190,526.22x = 286,066.35 × 140,137.74
  4. Step 4: Simplify right side
    190,526.22x = 40,088,691,779.05
  5. Step 5: Solve for x
    x = 40,088,691,779.05/190,526.22
  6. Step 6: Final answer
    x = 210,410.37

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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.