Home / 127,880.08-176,470.45-70,521.82

Finding the Fourth Proportional to 127,880.08, 176,470.45 and 70,521.82

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Solution

The fourth proportional to 127,880.08, 176,470.45 and 70,521.82 is: 97,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,880.08 : 176,470.45 = 70,521.82 : x
  2. Step 2: Convert to fraction form
    127,880.08/176,470.45 = 70,521.82/x
  3. Step 3: Cross multiply
    127,880.08x = 176,470.45 × 70,521.82
  4. Step 4: Simplify right side
    127,880.08x = 12,445,016,692.74
  5. Step 5: Solve for x
    x = 12,445,016,692.74/127,880.08
  6. Step 6: Final answer
    x = 97,317.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.