Home / 249,184.63-343,878.38-136,004.95

Finding the Fourth Proportional to 249,184.63, 343,878.38 and 136,004.95

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Solution

The fourth proportional to 249,184.63, 343,878.38 and 136,004.95 is: 187,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,184.63 : 343,878.38 = 136,004.95 : x
  2. Step 2: Convert to fraction form
    249,184.63/343,878.38 = 136,004.95/x
  3. Step 3: Cross multiply
    249,184.63x = 343,878.38 × 136,004.95
  4. Step 4: Simplify right side
    249,184.63x = 46,769,161,877.98
  5. Step 5: Solve for x
    x = 46,769,161,877.98/249,184.63
  6. Step 6: Final answer
    x = 187,688.79

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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.