Home / 249,780.64-344,695.08-136,604.20

Finding the Fourth Proportional to 249,780.64, 344,695.08 and 136,604.20

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Solution

The fourth proportional to 249,780.64, 344,695.08 and 136,604.20 is: 188,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,780.64 : 344,695.08 = 136,604.20 : x
  2. Step 2: Convert to fraction form
    249,780.64/344,695.08 = 136,604.20/x
  3. Step 3: Cross multiply
    249,780.64x = 344,695.08 × 136,604.20
  4. Step 4: Simplify right side
    249,780.64x = 47,086,795,647.34
  5. Step 5: Solve for x
    x = 47,086,795,647.34/249,780.64
  6. Step 6: Final answer
    x = 188,512.59

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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.