Home / 202,110.40-302,837.55-127,096.30

Finding the Fourth Proportional to 202,110.40, 302,837.55 and 127,096.30

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Solution

The fourth proportional to 202,110.40, 302,837.55 and 127,096.30 is: 190,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,110.40 : 302,837.55 = 127,096.30 : x
  2. Step 2: Convert to fraction form
    202,110.40/302,837.55 = 127,096.30/x
  3. Step 3: Cross multiply
    202,110.40x = 302,837.55 × 127,096.30
  4. Step 4: Simplify right side
    202,110.40x = 38,489,532,106.07
  5. Step 5: Solve for x
    x = 38,489,532,106.07/202,110.40
  6. Step 6: Final answer
    x = 190,438.16

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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.