Home / 107,371.46-148,186.28-64,930.30

Finding the Fourth Proportional to 107,371.46, 148,186.28 and 64,930.30

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Solution

The fourth proportional to 107,371.46, 148,186.28 and 64,930.30 is: 89,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,371.46 : 148,186.28 = 64,930.30 : x
  2. Step 2: Convert to fraction form
    107,371.46/148,186.28 = 64,930.30/x
  3. Step 3: Cross multiply
    107,371.46x = 148,186.28 × 64,930.30
  4. Step 4: Simplify right side
    107,371.46x = 9,621,779,616.28
  5. Step 5: Solve for x
    x = 9,621,779,616.28/107,371.46
  6. Step 6: Final answer
    x = 89,612.08

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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.