Home / 103,666.07-154,606.40-101,799.83

Finding the Fourth Proportional to 103,666.07, 154,606.40 and 101,799.83

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Solution

The fourth proportional to 103,666.07, 154,606.40 and 101,799.83 is: 151,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.07 : 154,606.40 = 101,799.83 : x
  2. Step 2: Convert to fraction form
    103,666.07/154,606.40 = 101,799.83/x
  3. Step 3: Cross multiply
    103,666.07x = 154,606.40 × 101,799.83
  4. Step 4: Simplify right side
    103,666.07x = 15,738,905,236.91
  5. Step 5: Solve for x
    x = 15,738,905,236.91/103,666.07
  6. Step 6: Final answer
    x = 151,823.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.