Home / 127,946.18-176,566.04-71,361.20

Finding the Fourth Proportional to 127,946.18, 176,566.04 and 71,361.20

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Solution

The fourth proportional to 127,946.18, 176,566.04 and 71,361.20 is: 98,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.18 : 176,566.04 = 71,361.20 : x
  2. Step 2: Convert to fraction form
    127,946.18/176,566.04 = 71,361.20/x
  3. Step 3: Cross multiply
    127,946.18x = 176,566.04 × 71,361.20
  4. Step 4: Simplify right side
    127,946.18x = 12,599,964,136.84
  5. Step 5: Solve for x
    x = 12,599,964,136.84/127,946.18
  6. Step 6: Final answer
    x = 98,478.63

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1.5x scale

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.