Home / 162,075.43-223,675.32-90,469.45

Finding the Fourth Proportional to 162,075.43, 223,675.32 and 90,469.45

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Solution

The fourth proportional to 162,075.43, 223,675.32 and 90,469.45 is: 124,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,075.43 : 223,675.32 = 90,469.45 : x
  2. Step 2: Convert to fraction form
    162,075.43/223,675.32 = 90,469.45/x
  3. Step 3: Cross multiply
    162,075.43x = 223,675.32 × 90,469.45
  4. Step 4: Simplify right side
    162,075.43x = 20,235,783,178.97
  5. Step 5: Solve for x
    x = 20,235,783,178.97/162,075.43
  6. Step 6: Final answer
    x = 124,854.11

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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.