Home / 202,541.22-279,501.48-111,882.57

Finding the Fourth Proportional to 202,541.22, 279,501.48 and 111,882.57

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Solution

The fourth proportional to 202,541.22, 279,501.48 and 111,882.57 is: 154,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,541.22 : 279,501.48 = 111,882.57 : x
  2. Step 2: Convert to fraction form
    202,541.22/279,501.48 = 111,882.57/x
  3. Step 3: Cross multiply
    202,541.22x = 279,501.48 × 111,882.57
  4. Step 4: Simplify right side
    202,541.22x = 31,271,343,901.20
  5. Step 5: Solve for x
    x = 31,271,343,901.20/202,541.22
  6. Step 6: Final answer
    x = 154,394.96

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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.