Home / 249,461.96-343,853.08-194,918.76

Finding the Fourth Proportional to 249,461.96, 343,853.08 and 194,918.76

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Solution

The fourth proportional to 249,461.96, 343,853.08 and 194,918.76 is: 268,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,461.96 : 343,853.08 = 194,918.76 : x
  2. Step 2: Convert to fraction form
    249,461.96/343,853.08 = 194,918.76/x
  3. Step 3: Cross multiply
    249,461.96x = 343,853.08 × 194,918.76
  4. Step 4: Simplify right side
    249,461.96x = 67,023,415,488.48
  5. Step 5: Solve for x
    x = 67,023,415,488.48/249,461.96
  6. Step 6: Final answer
    x = 268,671.89

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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.