Home / 101,394.08-152,089.44-30,316.88

Finding the Fourth Proportional to 101,394.08, 152,089.44 and 30,316.88

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Solution

The fourth proportional to 101,394.08, 152,089.44 and 30,316.88 is: 45,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,394.08 : 152,089.44 = 30,316.88 : x
  2. Step 2: Convert to fraction form
    101,394.08/152,089.44 = 30,316.88/x
  3. Step 3: Cross multiply
    101,394.08x = 152,089.44 × 30,316.88
  4. Step 4: Simplify right side
    101,394.08x = 4,610,877,301.75
  5. Step 5: Solve for x
    x = 4,610,877,301.75/101,394.08
  6. Step 6: Final answer
    x = 45,474.82

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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.