Home / 242,431.52-334,554.56-135,002.80

Finding the Fourth Proportional to 242,431.52, 334,554.56 and 135,002.80

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Solution

The fourth proportional to 242,431.52, 334,554.56 and 135,002.80 is: 186,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,431.52 : 334,554.56 = 135,002.80 : x
  2. Step 2: Convert to fraction form
    242,431.52/334,554.56 = 135,002.80/x
  3. Step 3: Cross multiply
    242,431.52x = 334,554.56 × 135,002.80
  4. Step 4: Simplify right side
    242,431.52x = 45,165,802,352.77
  5. Step 5: Solve for x
    x = 45,165,802,352.77/242,431.52
  6. Step 6: Final answer
    x = 186,303.34

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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.