Home / 110,432.41-152,357.86-72,214.31

Finding the Fourth Proportional to 110,432.41, 152,357.86 and 72,214.31

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Solution

The fourth proportional to 110,432.41, 152,357.86 and 72,214.31 is: 99,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,432.41 : 152,357.86 = 72,214.31 : x
  2. Step 2: Convert to fraction form
    110,432.41/152,357.86 = 72,214.31/x
  3. Step 3: Cross multiply
    110,432.41x = 152,357.86 × 72,214.31
  4. Step 4: Simplify right side
    110,432.41x = 11,002,417,732.98
  5. Step 5: Solve for x
    x = 11,002,417,732.98/110,432.41
  6. Step 6: Final answer
    x = 99,630.33

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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.