Home / 249,050.36-343,689.05-135,873.11

Finding the Fourth Proportional to 249,050.36, 343,689.05 and 135,873.11

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Solution

The fourth proportional to 249,050.36, 343,689.05 and 135,873.11 is: 187,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,050.36 : 343,689.05 = 135,873.11 : x
  2. Step 2: Convert to fraction form
    249,050.36/343,689.05 = 135,873.11/x
  3. Step 3: Cross multiply
    249,050.36x = 343,689.05 × 135,873.11
  4. Step 4: Simplify right side
    249,050.36x = 46,698,097,698.63
  5. Step 5: Solve for x
    x = 46,698,097,698.63/249,050.36
  6. Step 6: Final answer
    x = 187,504.64

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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.