Home / 242,633.25-334,837.53-140,666.40

Finding the Fourth Proportional to 242,633.25, 334,837.53 and 140,666.40

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Solution

The fourth proportional to 242,633.25, 334,837.53 and 140,666.40 is: 194,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,633.25 : 334,837.53 = 140,666.40 : x
  2. Step 2: Convert to fraction form
    242,633.25/334,837.53 = 140,666.40/x
  3. Step 3: Cross multiply
    242,633.25x = 334,837.53 × 140,666.40
  4. Step 4: Simplify right side
    242,633.25x = 47,100,389,929.99
  5. Step 5: Solve for x
    x = 47,100,389,929.99/242,633.25
  6. Step 6: Final answer
    x = 194,121.75

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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.