Home / 103,013.80-154,326.30-96,015.40

Finding the Fourth Proportional to 103,013.80, 154,326.30 and 96,015.40

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Solution

The fourth proportional to 103,013.80, 154,326.30 and 96,015.40 is: 143,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,013.80 : 154,326.30 = 96,015.40 : x
  2. Step 2: Convert to fraction form
    103,013.80/154,326.30 = 96,015.40/x
  3. Step 3: Cross multiply
    103,013.80x = 154,326.30 × 96,015.40
  4. Step 4: Simplify right side
    103,013.80x = 14,817,701,425.02
  5. Step 5: Solve for x
    x = 14,817,701,425.02/103,013.80
  6. Step 6: Final answer
    x = 143,841.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.