Home / 200,050.08-275,939.04-128,316.48

Finding the Fourth Proportional to 200,050.08, 275,939.04 and 128,316.48

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Solution

The fourth proportional to 200,050.08, 275,939.04 and 128,316.48 is: 176,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,050.08 : 275,939.04 = 128,316.48 : x
  2. Step 2: Convert to fraction form
    200,050.08/275,939.04 = 128,316.48/x
  3. Step 3: Cross multiply
    200,050.08x = 275,939.04 × 128,316.48
  4. Step 4: Simplify right side
    200,050.08x = 35,407,526,307.38
  5. Step 5: Solve for x
    x = 35,407,526,307.38/200,050.08
  6. Step 6: Final answer
    x = 176,993.31

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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.