Home / 180,077.31-248,210.33-127,706.76

Finding the Fourth Proportional to 180,077.31, 248,210.33 and 127,706.76

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Solution

The fourth proportional to 180,077.31, 248,210.33 and 127,706.76 is: 176,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,077.31 : 248,210.33 = 127,706.76 : x
  2. Step 2: Convert to fraction form
    180,077.31/248,210.33 = 127,706.76/x
  3. Step 3: Cross multiply
    180,077.31x = 248,210.33 × 127,706.76
  4. Step 4: Simplify right side
    180,077.31x = 31,698,136,404.30
  5. Step 5: Solve for x
    x = 31,698,136,404.30/180,077.31
  6. Step 6: Final answer
    x = 176,025.15

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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.