Home / 216,048.15-298,146.65-120,554.91

Finding the Fourth Proportional to 216,048.15, 298,146.65 and 120,554.91

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Solution

The fourth proportional to 216,048.15, 298,146.65 and 120,554.91 is: 166,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,048.15 : 298,146.65 = 120,554.91 : x
  2. Step 2: Convert to fraction form
    216,048.15/298,146.65 = 120,554.91/x
  3. Step 3: Cross multiply
    216,048.15x = 298,146.65 × 120,554.91
  4. Step 4: Simplify right side
    216,048.15x = 35,943,041,954.78
  5. Step 5: Solve for x
    x = 35,943,041,954.78/216,048.15
  6. Step 6: Final answer
    x = 166,365.89

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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.