Home / 202,626.55-279,630.26-111,988.36

Finding the Fourth Proportional to 202,626.55, 279,630.26 and 111,988.36

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Solution

The fourth proportional to 202,626.55, 279,630.26 and 111,988.36 is: 154,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,626.55 : 279,630.26 = 111,988.36 : x
  2. Step 2: Convert to fraction form
    202,626.55/279,630.26 = 111,988.36/x
  3. Step 3: Cross multiply
    202,626.55x = 279,630.26 × 111,988.36
  4. Step 4: Simplify right side
    202,626.55x = 31,315,334,223.77
  5. Step 5: Solve for x
    x = 31,315,334,223.77/202,626.55
  6. Step 6: Final answer
    x = 154,547.04

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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.