Home / 148,534.11-205,005.47-116,204.31

Finding the Fourth Proportional to 148,534.11, 205,005.47 and 116,204.31

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Solution

The fourth proportional to 148,534.11, 205,005.47 and 116,204.31 is: 160,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,534.11 : 205,005.47 = 116,204.31 : x
  2. Step 2: Convert to fraction form
    148,534.11/205,005.47 = 116,204.31/x
  3. Step 3: Cross multiply
    148,534.11x = 205,005.47 × 116,204.31
  4. Step 4: Simplify right side
    148,534.11x = 23,822,518,606.55
  5. Step 5: Solve for x
    x = 23,822,518,606.55/148,534.11
  6. Step 6: Final answer
    x = 160,384.16

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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.