Home / 117,159.14-175,702.37-42,269.55

Finding the Fourth Proportional to 117,159.14, 175,702.37 and 42,269.55

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Solution

The fourth proportional to 117,159.14, 175,702.37 and 42,269.55 is: 63,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,159.14 : 175,702.37 = 42,269.55 : x
  2. Step 2: Convert to fraction form
    117,159.14/175,702.37 = 42,269.55/x
  3. Step 3: Cross multiply
    117,159.14x = 175,702.37 × 42,269.55
  4. Step 4: Simplify right side
    117,159.14x = 7,426,860,113.83
  5. Step 5: Solve for x
    x = 7,426,860,113.83/117,159.14
  6. Step 6: Final answer
    x = 63,391.21

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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.