Home / 249,014.06-343,639-135,836.82

Finding the Fourth Proportional to 249,014.06, 343,639 and 135,836.82

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Solution

The fourth proportional to 249,014.06, 343,639 and 135,836.82 is: 187,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,014.06 : 343,639 = 135,836.82 : x
  2. Step 2: Convert to fraction form
    249,014.06/343,639 = 135,836.82/x
  3. Step 3: Cross multiply
    249,014.06x = 343,639 × 135,836.82
  4. Step 4: Simplify right side
    249,014.06x = 46,678,828,987.98
  5. Step 5: Solve for x
    x = 46,678,828,987.98/249,014.06
  6. Step 6: Final answer
    x = 187,454.59

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1.5x scale

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.