Home / 145,558.90-200,401.77-113,253.94

Finding the Fourth Proportional to 145,558.90, 200,401.77 and 113,253.94

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Solution

The fourth proportional to 145,558.90, 200,401.77 and 113,253.94 is: 155,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,558.90 : 200,401.77 = 113,253.94 : x
  2. Step 2: Convert to fraction form
    145,558.90/200,401.77 = 113,253.94/x
  3. Step 3: Cross multiply
    145,558.90x = 200,401.77 × 113,253.94
  4. Step 4: Simplify right side
    145,558.90x = 22,696,290,035.47
  5. Step 5: Solve for x
    x = 22,696,290,035.47/145,558.90
  6. Step 6: Final answer
    x = 155,925.13

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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.