Home / 105,461.84-158,160.16-30,587.49

Finding the Fourth Proportional to 105,461.84, 158,160.16 and 30,587.49

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Solution

The fourth proportional to 105,461.84, 158,160.16 and 30,587.49 is: 45,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,461.84 : 158,160.16 = 30,587.49 : x
  2. Step 2: Convert to fraction form
    105,461.84/158,160.16 = 30,587.49/x
  3. Step 3: Cross multiply
    105,461.84x = 158,160.16 × 30,587.49
  4. Step 4: Simplify right side
    105,461.84x = 4,837,722,235.93
  5. Step 5: Solve for x
    x = 4,837,722,235.93/105,461.84
  6. Step 6: Final answer
    x = 45,871.78

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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.