Home / 127,590.32-191,385.60-61,014.80

Finding the Fourth Proportional to 127,590.32, 191,385.60 and 61,014.80

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Solution

The fourth proportional to 127,590.32, 191,385.60 and 61,014.80 is: 91,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590.32 : 191,385.60 = 61,014.80 : x
  2. Step 2: Convert to fraction form
    127,590.32/191,385.60 = 61,014.80/x
  3. Step 3: Cross multiply
    127,590.32x = 191,385.60 × 61,014.80
  4. Step 4: Simplify right side
    127,590.32x = 11,677,354,106.88
  5. Step 5: Solve for x
    x = 11,677,354,106.88/127,590.32
  6. Step 6: Final answer
    x = 91,522.26

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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.