Home / 175,855.77-242,675.31-100,404.27

Finding the Fourth Proportional to 175,855.77, 242,675.31 and 100,404.27

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Solution

The fourth proportional to 175,855.77, 242,675.31 and 100,404.27 is: 138,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,855.77 : 242,675.31 = 100,404.27 : x
  2. Step 2: Convert to fraction form
    175,855.77/242,675.31 = 100,404.27/x
  3. Step 3: Cross multiply
    175,855.77x = 242,675.31 × 100,404.27
  4. Step 4: Simplify right side
    175,855.77x = 24,365,637,347.57
  5. Step 5: Solve for x
    x = 24,365,637,347.57/175,855.77
  6. Step 6: Final answer
    x = 138,554.67

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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.