Home / 219,554.13-302,980.77-124,058.78

Finding the Fourth Proportional to 219,554.13, 302,980.77 and 124,058.78

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Solution

The fourth proportional to 219,554.13, 302,980.77 and 124,058.78 is: 171,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,554.13 : 302,980.77 = 124,058.78 : x
  2. Step 2: Convert to fraction form
    219,554.13/302,980.77 = 124,058.78/x
  3. Step 3: Cross multiply
    219,554.13x = 302,980.77 × 124,058.78
  4. Step 4: Simplify right side
    219,554.13x = 37,587,424,689.66
  5. Step 5: Solve for x
    x = 37,587,424,689.66/219,554.13
  6. Step 6: Final answer
    x = 171,198.90

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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.