Home / 176,389.61-243,518.65-116,135.39

Finding the Fourth Proportional to 176,389.61, 243,518.65 and 116,135.39

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Solution

The fourth proportional to 176,389.61, 243,518.65 and 116,135.39 is: 160,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,389.61 : 243,518.65 = 116,135.39 : x
  2. Step 2: Convert to fraction form
    176,389.61/243,518.65 = 116,135.39/x
  3. Step 3: Cross multiply
    176,389.61x = 243,518.65 × 116,135.39
  4. Step 4: Simplify right side
    176,389.61x = 28,281,133,708.48
  5. Step 5: Solve for x
    x = 28,281,133,708.48/176,389.61
  6. Step 6: Final answer
    x = 160,333.34

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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.