Home / 350,742.40-526,243.20-140,531.20

Finding the Fourth Proportional to 350,742.40, 526,243.20 and 140,531.20

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Solution

The fourth proportional to 350,742.40, 526,243.20 and 140,531.20 is: 210,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,742.40 : 526,243.20 = 140,531.20 : x
  2. Step 2: Convert to fraction form
    350,742.40/526,243.20 = 140,531.20/x
  3. Step 3: Cross multiply
    350,742.40x = 526,243.20 × 140,531.20
  4. Step 4: Simplify right side
    350,742.40x = 73,953,588,387.84
  5. Step 5: Solve for x
    x = 73,953,588,387.84/350,742.40
  6. Step 6: Final answer
    x = 210,848.73

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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.