Home / 119,421.68-178,860.20-57,136.24

Finding the Fourth Proportional to 119,421.68, 178,860.20 and 57,136.24

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Solution

The fourth proportional to 119,421.68, 178,860.20 and 57,136.24 is: 85,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,421.68 : 178,860.20 = 57,136.24 : x
  2. Step 2: Convert to fraction form
    119,421.68/178,860.20 = 57,136.24/x
  3. Step 3: Cross multiply
    119,421.68x = 178,860.20 × 57,136.24
  4. Step 4: Simplify right side
    119,421.68x = 10,219,399,313.65
  5. Step 5: Solve for x
    x = 10,219,399,313.65/119,421.68
  6. Step 6: Final answer
    x = 85,574.07

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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.