Home / 121,553.01-182,347.74-42,653.34

Finding the Fourth Proportional to 121,553.01, 182,347.74 and 42,653.34

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Solution

The fourth proportional to 121,553.01, 182,347.74 and 42,653.34 is: 63,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,553.01 : 182,347.74 = 42,653.34 : x
  2. Step 2: Convert to fraction form
    121,553.01/182,347.74 = 42,653.34/x
  3. Step 3: Cross multiply
    121,553.01x = 182,347.74 × 42,653.34
  4. Step 4: Simplify right side
    121,553.01x = 7,777,740,152.45
  5. Step 5: Solve for x
    x = 7,777,740,152.45/121,553.01
  6. Step 6: Final answer
    x = 63,986.41

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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.