Home / 175,931.80-263,895.42-42,812.14

Finding the Fourth Proportional to 175,931.80, 263,895.42 and 42,812.14

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Solution

The fourth proportional to 175,931.80, 263,895.42 and 42,812.14 is: 64,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,931.80 : 263,895.42 = 42,812.14 : x
  2. Step 2: Convert to fraction form
    175,931.80/263,895.42 = 42,812.14/x
  3. Step 3: Cross multiply
    175,931.80x = 263,895.42 × 42,812.14
  4. Step 4: Simplify right side
    175,931.80x = 11,297,927,666.40
  5. Step 5: Solve for x
    x = 11,297,927,666.40/175,931.80
  6. Step 6: Final answer
    x = 64,217.66

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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.