Home / 127,782.46-176,341.00-70,423.85

Finding the Fourth Proportional to 127,782.46, 176,341.00 and 70,423.85

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Solution

The fourth proportional to 127,782.46, 176,341.00 and 70,423.85 is: 97,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,782.46 : 176,341.00 = 70,423.85 : x
  2. Step 2: Convert to fraction form
    127,782.46/176,341.00 = 70,423.85/x
  3. Step 3: Cross multiply
    127,782.46x = 176,341.00 × 70,423.85
  4. Step 4: Simplify right side
    127,782.46x = 12,418,612,727.75
  5. Step 5: Solve for x
    x = 12,418,612,727.75/127,782.46
  6. Step 6: Final answer
    x = 97,185.58

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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.