Home / 187,465.17-258,701.21-101,423.88

Finding the Fourth Proportional to 187,465.17, 258,701.21 and 101,423.88

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Solution

The fourth proportional to 187,465.17, 258,701.21 and 101,423.88 is: 139,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,465.17 : 258,701.21 = 101,423.88 : x
  2. Step 2: Convert to fraction form
    187,465.17/258,701.21 = 101,423.88/x
  3. Step 3: Cross multiply
    187,465.17x = 258,701.21 × 101,423.88
  4. Step 4: Simplify right side
    187,465.17x = 26,238,480,478.89
  5. Step 5: Solve for x
    x = 26,238,480,478.89/187,465.17
  6. Step 6: Final answer
    x = 139,964.56

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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.