Home / 170,075.40-254,951.10-63,430.80

Finding the Fourth Proportional to 170,075.40, 254,951.10 and 63,430.80

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Solution

The fourth proportional to 170,075.40, 254,951.10 and 63,430.80 is: 95,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,075.40 : 254,951.10 = 63,430.80 : x
  2. Step 2: Convert to fraction form
    170,075.40/254,951.10 = 63,430.80/x
  3. Step 3: Cross multiply
    170,075.40x = 254,951.10 × 63,430.80
  4. Step 4: Simplify right side
    170,075.40x = 16,171,752,233.88
  5. Step 5: Solve for x
    x = 16,171,752,233.88/170,075.40
  6. Step 6: Final answer
    x = 95,085.78

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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.