Home / 118,208.38-177,075.69-111,999.32

Finding the Fourth Proportional to 118,208.38, 177,075.69 and 111,999.32

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Solution

The fourth proportional to 118,208.38, 177,075.69 and 111,999.32 is: 167,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,208.38 : 177,075.69 = 111,999.32 : x
  2. Step 2: Convert to fraction form
    118,208.38/177,075.69 = 111,999.32/x
  3. Step 3: Cross multiply
    118,208.38x = 177,075.69 × 111,999.32
  4. Step 4: Simplify right side
    118,208.38x = 19,832,358,168.23
  5. Step 5: Solve for x
    x = 19,832,358,168.23/118,208.38
  6. Step 6: Final answer
    x = 167,774.55

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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.