Home / 107,460.12-148,283.92-67,178.32

Finding the Fourth Proportional to 107,460.12, 148,283.92 and 67,178.32

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Solution

The fourth proportional to 107,460.12, 148,283.92 and 67,178.32 is: 92,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,460.12 : 148,283.92 = 67,178.32 : x
  2. Step 2: Convert to fraction form
    107,460.12/148,283.92 = 67,178.32/x
  3. Step 3: Cross multiply
    107,460.12x = 148,283.92 × 67,178.32
  4. Step 4: Simplify right side
    107,460.12x = 9,961,464,089.96
  5. Step 5: Solve for x
    x = 9,961,464,089.96/107,460.12
  6. Step 6: Final answer
    x = 92,699.17

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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.