Home / 153,135.18-229,702.70-46,518.72

Finding the Fourth Proportional to 153,135.18, 229,702.70 and 46,518.72

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Solution

The fourth proportional to 153,135.18, 229,702.70 and 46,518.72 is: 69,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,135.18 : 229,702.70 = 46,518.72 : x
  2. Step 2: Convert to fraction form
    153,135.18/229,702.70 = 46,518.72/x
  3. Step 3: Cross multiply
    153,135.18x = 229,702.70 × 46,518.72
  4. Step 4: Simplify right side
    153,135.18x = 10,685,475,351.95
  5. Step 5: Solve for x
    x = 10,685,475,351.95/153,135.18
  6. Step 6: Final answer
    x = 69,778.06

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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.