Home / 245,058.84-338,254.54-143,111.80

Finding the Fourth Proportional to 245,058.84, 338,254.54 and 143,111.80

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Solution

The fourth proportional to 245,058.84, 338,254.54 and 143,111.80 is: 197,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,058.84 : 338,254.54 = 143,111.80 : x
  2. Step 2: Convert to fraction form
    245,058.84/338,254.54 = 143,111.80/x
  3. Step 3: Cross multiply
    245,058.84x = 338,254.54 × 143,111.80
  4. Step 4: Simplify right side
    245,058.84x = 48,408,216,077.57
  5. Step 5: Solve for x
    x = 48,408,216,077.57/245,058.84
  6. Step 6: Final answer
    x = 197,537.11

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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.