Home / 110,157.77-152,018.23-62,420.42

Finding the Fourth Proportional to 110,157.77, 152,018.23 and 62,420.42

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Solution

The fourth proportional to 110,157.77, 152,018.23 and 62,420.42 is: 86,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,157.77 : 152,018.23 = 62,420.42 : x
  2. Step 2: Convert to fraction form
    110,157.77/152,018.23 = 62,420.42/x
  3. Step 3: Cross multiply
    110,157.77x = 152,018.23 × 62,420.42
  4. Step 4: Simplify right side
    110,157.77x = 9,489,041,764.26
  5. Step 5: Solve for x
    x = 9,489,041,764.26/110,157.77
  6. Step 6: Final answer
    x = 86,140.47

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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.