Home / 136,024.32-187,254-112,113.12

Finding the Fourth Proportional to 136,024.32, 187,254 and 112,113.12

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Solution

The fourth proportional to 136,024.32, 187,254 and 112,113.12 is: 154,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024.32 : 187,254 = 112,113.12 : x
  2. Step 2: Convert to fraction form
    136,024.32/187,254 = 112,113.12/x
  3. Step 3: Cross multiply
    136,024.32x = 187,254 × 112,113.12
  4. Step 4: Simplify right side
    136,024.32x = 20,993,630,172.48
  5. Step 5: Solve for x
    x = 20,993,630,172.48/136,024.32
  6. Step 6: Final answer
    x = 154,337.33

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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.