Home / 242,339.22-334,435.82-151,666.20

Finding the Fourth Proportional to 242,339.22, 334,435.82 and 151,666.20

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Solution

The fourth proportional to 242,339.22, 334,435.82 and 151,666.20 is: 209,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,339.22 : 334,435.82 = 151,666.20 : x
  2. Step 2: Convert to fraction form
    242,339.22/334,435.82 = 151,666.20/x
  3. Step 3: Cross multiply
    242,339.22x = 334,435.82 × 151,666.20
  4. Step 4: Simplify right side
    242,339.22x = 50,722,609,963.28
  5. Step 5: Solve for x
    x = 50,722,609,963.28/242,339.22
  6. Step 6: Final answer
    x = 209,304.17

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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.