Home / 99,004.80-148,075.20-88,550.40

Finding the Fourth Proportional to 99,004.80, 148,075.20 and 88,550.40

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Solution

The fourth proportional to 99,004.80, 148,075.20 and 88,550.40 is: 132,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.80 : 148,075.20 = 88,550.40 : x
  2. Step 2: Convert to fraction form
    99,004.80/148,075.20 = 88,550.40/x
  3. Step 3: Cross multiply
    99,004.80x = 148,075.20 × 88,550.40
  4. Step 4: Simplify right side
    99,004.80x = 13,112,118,190.08
  5. Step 5: Solve for x
    x = 13,112,118,190.08/99,004.80
  6. Step 6: Final answer
    x = 132,439.22

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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.