Home / 100,437.90-150,657.73-25,558.10

Finding the Fourth Proportional to 100,437.90, 150,657.73 and 25,558.10

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Solution

The fourth proportional to 100,437.90, 150,657.73 and 25,558.10 is: 38,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,437.90 : 150,657.73 = 25,558.10 : x
  2. Step 2: Convert to fraction form
    100,437.90/150,657.73 = 25,558.10/x
  3. Step 3: Cross multiply
    100,437.90x = 150,657.73 × 25,558.10
  4. Step 4: Simplify right side
    100,437.90x = 3,850,525,329.11
  5. Step 5: Solve for x
    x = 3,850,525,329.11/100,437.90
  6. Step 6: Final answer
    x = 38,337.37

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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.