Home / 118,404.18-176,742.50-103,457.25

Finding the Fourth Proportional to 118,404.18, 176,742.50 and 103,457.25

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Solution

The fourth proportional to 118,404.18, 176,742.50 and 103,457.25 is: 154,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,404.18 : 176,742.50 = 103,457.25 : x
  2. Step 2: Convert to fraction form
    118,404.18/176,742.50 = 103,457.25/x
  3. Step 3: Cross multiply
    118,404.18x = 176,742.50 × 103,457.25
  4. Step 4: Simplify right side
    118,404.18x = 18,285,292,490.84
  5. Step 5: Solve for x
    x = 18,285,292,490.84/118,404.18
  6. Step 6: Final answer
    x = 154,431.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.