Home / 249,093.07-343,756.01-141,678.55

Finding the Fourth Proportional to 249,093.07, 343,756.01 and 141,678.55

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Solution

The fourth proportional to 249,093.07, 343,756.01 and 141,678.55 is: 195,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,093.07 : 343,756.01 = 141,678.55 : x
  2. Step 2: Convert to fraction form
    249,093.07/343,756.01 = 141,678.55/x
  3. Step 3: Cross multiply
    249,093.07x = 343,756.01 × 141,678.55
  4. Step 4: Simplify right side
    249,093.07x = 48,702,853,050.59
  5. Step 5: Solve for x
    x = 48,702,853,050.59/249,093.07
  6. Step 6: Final answer
    x = 195,520.71

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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.