Home / 175,933.16-242,814.18-138,489.32

Finding the Fourth Proportional to 175,933.16, 242,814.18 and 138,489.32

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Solution

The fourth proportional to 175,933.16, 242,814.18 and 138,489.32 is: 191,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,933.16 : 242,814.18 = 138,489.32 : x
  2. Step 2: Convert to fraction form
    175,933.16/242,814.18 = 138,489.32/x
  3. Step 3: Cross multiply
    175,933.16x = 242,814.18 × 138,489.32
  4. Step 4: Simplify right side
    175,933.16x = 33,627,170,674.56
  5. Step 5: Solve for x
    x = 33,627,170,674.56/175,933.16
  6. Step 6: Final answer
    x = 191,136.06

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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.