Home / 242,460.48-334,571.45-135,040.49

Finding the Fourth Proportional to 242,460.48, 334,571.45 and 135,040.49

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Solution

The fourth proportional to 242,460.48, 334,571.45 and 135,040.49 is: 186,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,460.48 : 334,571.45 = 135,040.49 : x
  2. Step 2: Convert to fraction form
    242,460.48/334,571.45 = 135,040.49/x
  3. Step 3: Cross multiply
    242,460.48x = 334,571.45 × 135,040.49
  4. Step 4: Simplify right side
    242,460.48x = 45,180,690,199.95
  5. Step 5: Solve for x
    x = 45,180,690,199.95/242,460.48
  6. Step 6: Final answer
    x = 186,342.49

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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.