Home / 149,256.24-205,988.16-111,464.88

Finding the Fourth Proportional to 149,256.24, 205,988.16 and 111,464.88

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Solution

The fourth proportional to 149,256.24, 205,988.16 and 111,464.88 is: 153,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,256.24 : 205,988.16 = 111,464.88 : x
  2. Step 2: Convert to fraction form
    149,256.24/205,988.16 = 111,464.88/x
  3. Step 3: Cross multiply
    149,256.24x = 205,988.16 × 111,464.88
  4. Step 4: Simplify right side
    149,256.24x = 22,960,445,535.82
  5. Step 5: Solve for x
    x = 22,960,445,535.82/149,256.24
  6. Step 6: Final answer
    x = 153,832.40

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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.