Home / 249,648.21-344,514.06-136,470.96

Finding the Fourth Proportional to 249,648.21, 344,514.06 and 136,470.96

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Solution

The fourth proportional to 249,648.21, 344,514.06 and 136,470.96 is: 188,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,648.21 : 344,514.06 = 136,470.96 : x
  2. Step 2: Convert to fraction form
    249,648.21/344,514.06 = 136,470.96/x
  3. Step 3: Cross multiply
    249,648.21x = 344,514.06 × 136,470.96
  4. Step 4: Simplify right side
    249,648.21x = 47,016,164,501.70
  5. Step 5: Solve for x
    x = 47,016,164,501.70/249,648.21
  6. Step 6: Final answer
    x = 188,329.67

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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.