Home / 305,133.04-457,587.20-105,402.16

Finding the Fourth Proportional to 305,133.04, 457,587.20 and 105,402.16

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Solution

The fourth proportional to 305,133.04, 457,587.20 and 105,402.16 is: 158,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,133.04 : 457,587.20 = 105,402.16 : x
  2. Step 2: Convert to fraction form
    305,133.04/457,587.20 = 105,402.16/x
  3. Step 3: Cross multiply
    305,133.04x = 457,587.20 × 105,402.16
  4. Step 4: Simplify right side
    305,133.04x = 48,230,679,268.35
  5. Step 5: Solve for x
    x = 48,230,679,268.35/305,133.04
  6. Step 6: Final answer
    x = 158,064.43

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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.