Home / 172,637.87-238,305.04-127,677.70

Finding the Fourth Proportional to 172,637.87, 238,305.04 and 127,677.70

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Solution

The fourth proportional to 172,637.87, 238,305.04 and 127,677.70 is: 176,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,637.87 : 238,305.04 = 127,677.70 : x
  2. Step 2: Convert to fraction form
    172,637.87/238,305.04 = 127,677.70/x
  3. Step 3: Cross multiply
    172,637.87x = 238,305.04 × 127,677.70
  4. Step 4: Simplify right side
    172,637.87x = 30,426,239,384.30
  5. Step 5: Solve for x
    x = 30,426,239,384.30/172,637.87
  6. Step 6: Final answer
    x = 176,243.14

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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.