Home / 127,972.08-191,956.32-57,802.32

Finding the Fourth Proportional to 127,972.08, 191,956.32 and 57,802.32

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Solution

The fourth proportional to 127,972.08, 191,956.32 and 57,802.32 is: 86,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,972.08 : 191,956.32 = 57,802.32 : x
  2. Step 2: Convert to fraction form
    127,972.08/191,956.32 = 57,802.32/x
  3. Step 3: Cross multiply
    127,972.08x = 191,956.32 × 57,802.32
  4. Step 4: Simplify right side
    127,972.08x = 11,095,520,634.66
  5. Step 5: Solve for x
    x = 11,095,520,634.66/127,972.08
  6. Step 6: Final answer
    x = 86,702.67

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1.5x scale

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.