Home / 118,208.24-163,075.92-77,870.24

Finding the Fourth Proportional to 118,208.24, 163,075.92 and 77,870.24

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Solution

The fourth proportional to 118,208.24, 163,075.92 and 77,870.24 is: 107,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,208.24 : 163,075.92 = 77,870.24 : x
  2. Step 2: Convert to fraction form
    118,208.24/163,075.92 = 77,870.24/x
  3. Step 3: Cross multiply
    118,208.24x = 163,075.92 × 77,870.24
  4. Step 4: Simplify right side
    118,208.24x = 12,698,761,028.62
  5. Step 5: Solve for x
    x = 12,698,761,028.62/118,208.24
  6. Step 6: Final answer
    x = 107,427.04

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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.