Home / 107,221.69-147,983.70-59,490.42

Finding the Fourth Proportional to 107,221.69, 147,983.70 and 59,490.42

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Solution

The fourth proportional to 107,221.69, 147,983.70 and 59,490.42 is: 82,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,221.69 : 147,983.70 = 59,490.42 : x
  2. Step 2: Convert to fraction form
    107,221.69/147,983.70 = 59,490.42/x
  3. Step 3: Cross multiply
    107,221.69x = 147,983.70 × 59,490.42
  4. Step 4: Simplify right side
    107,221.69x = 8,803,612,466.15
  5. Step 5: Solve for x
    x = 8,803,612,466.15/107,221.69
  6. Step 6: Final answer
    x = 82,106.64

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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.