Home / 190,264.23-262,741.13-142,434.54

Finding the Fourth Proportional to 190,264.23, 262,741.13 and 142,434.54

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Solution

The fourth proportional to 190,264.23, 262,741.13 and 142,434.54 is: 196,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,264.23 : 262,741.13 = 142,434.54 : x
  2. Step 2: Convert to fraction form
    190,264.23/262,741.13 = 142,434.54/x
  3. Step 3: Cross multiply
    190,264.23x = 262,741.13 × 142,434.54
  4. Step 4: Simplify right side
    190,264.23x = 37,423,411,278.46
  5. Step 5: Solve for x
    x = 37,423,411,278.46/190,264.23
  6. Step 6: Final answer
    x = 196,691.79

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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.