Home / 113,404.44-156,432.95-70,889.16

Finding the Fourth Proportional to 113,404.44, 156,432.95 and 70,889.16

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Solution

The fourth proportional to 113,404.44, 156,432.95 and 70,889.16 is: 97,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,404.44 : 156,432.95 = 70,889.16 : x
  2. Step 2: Convert to fraction form
    113,404.44/156,432.95 = 70,889.16/x
  3. Step 3: Cross multiply
    113,404.44x = 156,432.95 × 70,889.16
  4. Step 4: Simplify right side
    113,404.44x = 11,089,400,421.82
  5. Step 5: Solve for x
    x = 11,089,400,421.82/113,404.44
  6. Step 6: Final answer
    x = 97,786.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.