Home / 249,013.07-343,637.63-135,835.82

Finding the Fourth Proportional to 249,013.07, 343,637.63 and 135,835.82

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Solution

The fourth proportional to 249,013.07, 343,637.63 and 135,835.82 is: 187,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,013.07 : 343,637.63 = 135,835.82 : x
  2. Step 2: Convert to fraction form
    249,013.07/343,637.63 = 135,835.82/x
  3. Step 3: Cross multiply
    249,013.07x = 343,637.63 × 135,835.82
  4. Step 4: Simplify right side
    249,013.07x = 46,678,299,253.91
  5. Step 5: Solve for x
    x = 46,678,299,253.91/249,013.07
  6. Step 6: Final answer
    x = 187,453.21

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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.