Home / 242,312.37-334,494.45-172,506.66

Finding the Fourth Proportional to 242,312.37, 334,494.45 and 172,506.66

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Solution

The fourth proportional to 242,312.37, 334,494.45 and 172,506.66 is: 238,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,312.37 : 334,494.45 = 172,506.66 : x
  2. Step 2: Convert to fraction form
    242,312.37/334,494.45 = 172,506.66/x
  3. Step 3: Cross multiply
    242,312.37x = 334,494.45 × 172,506.66
  4. Step 4: Simplify right side
    242,312.37x = 57,702,520,358.04
  5. Step 5: Solve for x
    x = 57,702,520,358.04/242,312.37
  6. Step 6: Final answer
    x = 238,132.79

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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.