Home / 180,072.06-248,203.08-127,701.51

Finding the Fourth Proportional to 180,072.06, 248,203.08 and 127,701.51

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Solution

The fourth proportional to 180,072.06, 248,203.08 and 127,701.51 is: 176,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,072.06 : 248,203.08 = 127,701.51 : x
  2. Step 2: Convert to fraction form
    180,072.06/248,203.08 = 127,701.51/x
  3. Step 3: Cross multiply
    180,072.06x = 248,203.08 × 127,701.51
  4. Step 4: Simplify right side
    180,072.06x = 31,695,908,102.65
  5. Step 5: Solve for x
    x = 31,695,908,102.65/180,072.06
  6. Step 6: Final answer
    x = 176,017.91

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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.