Home / 127,601.70-176,088.63-71,013.06

Finding the Fourth Proportional to 127,601.70, 176,088.63 and 71,013.06

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Solution

The fourth proportional to 127,601.70, 176,088.63 and 71,013.06 is: 97,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.70 : 176,088.63 = 71,013.06 : x
  2. Step 2: Convert to fraction form
    127,601.70/176,088.63 = 71,013.06/x
  3. Step 3: Cross multiply
    127,601.70x = 176,088.63 × 71,013.06
  4. Step 4: Simplify right side
    127,601.70x = 12,504,592,447.51
  5. Step 5: Solve for x
    x = 12,504,592,447.51/127,601.70
  6. Step 6: Final answer
    x = 97,997.07

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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.