Home / 117,156.93-175,699.07-42,267.35

Finding the Fourth Proportional to 117,156.93, 175,699.07 and 42,267.35

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Solution

The fourth proportional to 117,156.93, 175,699.07 and 42,267.35 is: 63,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,156.93 : 175,699.07 = 42,267.35 : x
  2. Step 2: Convert to fraction form
    117,156.93/175,699.07 = 42,267.35/x
  3. Step 3: Cross multiply
    117,156.93x = 175,699.07 × 42,267.35
  4. Step 4: Simplify right side
    117,156.93x = 7,426,332,996.53
  5. Step 5: Solve for x
    x = 7,426,332,996.53/117,156.93
  6. Step 6: Final answer
    x = 63,387.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.