Home / 153,176.65-211,352.49-89,502.14

Finding the Fourth Proportional to 153,176.65, 211,352.49 and 89,502.14

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Solution

The fourth proportional to 153,176.65, 211,352.49 and 89,502.14 is: 123,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,176.65 : 211,352.49 = 89,502.14 : x
  2. Step 2: Convert to fraction form
    153,176.65/211,352.49 = 89,502.14/x
  3. Step 3: Cross multiply
    153,176.65x = 211,352.49 × 89,502.14
  4. Step 4: Simplify right side
    153,176.65x = 18,916,500,149.33
  5. Step 5: Solve for x
    x = 18,916,500,149.33/153,176.65
  6. Step 6: Final answer
    x = 123,494.67

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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.