Home / 177,800.72-245,352.40-101,317.38

Finding the Fourth Proportional to 177,800.72, 245,352.40 and 101,317.38

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Solution

The fourth proportional to 177,800.72, 245,352.40 and 101,317.38 is: 139,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,800.72 : 245,352.40 = 101,317.38 : x
  2. Step 2: Convert to fraction form
    177,800.72/245,352.40 = 101,317.38/x
  3. Step 3: Cross multiply
    177,800.72x = 245,352.40 × 101,317.38
  4. Step 4: Simplify right side
    177,800.72x = 24,858,463,011.49
  5. Step 5: Solve for x
    x = 24,858,463,011.49/177,800.72
  6. Step 6: Final answer
    x = 139,810.81

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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.