Home / 249,243.23-343,953.91-136,065.98

Finding the Fourth Proportional to 249,243.23, 343,953.91 and 136,065.98

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Solution

The fourth proportional to 249,243.23, 343,953.91 and 136,065.98 is: 187,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,243.23 : 343,953.91 = 136,065.98 : x
  2. Step 2: Convert to fraction form
    249,243.23/343,953.91 = 136,065.98/x
  3. Step 3: Cross multiply
    249,243.23x = 343,953.91 × 136,065.98
  4. Step 4: Simplify right side
    249,243.23x = 46,800,426,868.95
  5. Step 5: Solve for x
    x = 46,800,426,868.95/249,243.23
  6. Step 6: Final answer
    x = 187,770.10

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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.