Home / 242,412.40-363,618.14-109,136.92

Finding the Fourth Proportional to 242,412.40, 363,618.14 and 109,136.92

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Solution

The fourth proportional to 242,412.40, 363,618.14 and 109,136.92 is: 163,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,412.40 : 363,618.14 = 109,136.92 : x
  2. Step 2: Convert to fraction form
    242,412.40/363,618.14 = 109,136.92/x
  3. Step 3: Cross multiply
    242,412.40x = 363,618.14 × 109,136.92
  4. Step 4: Simplify right side
    242,412.40x = 39,684,163,855.73
  5. Step 5: Solve for x
    x = 39,684,163,855.73/242,412.40
  6. Step 6: Final answer
    x = 163,705.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.