Home / 127,664.04-176,197.70-73,981.70

Finding the Fourth Proportional to 127,664.04, 176,197.70 and 73,981.70

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Solution

The fourth proportional to 127,664.04, 176,197.70 and 73,981.70 is: 102,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,664.04 : 176,197.70 = 73,981.70 : x
  2. Step 2: Convert to fraction form
    127,664.04/176,197.70 = 73,981.70/x
  3. Step 3: Cross multiply
    127,664.04x = 176,197.70 × 73,981.70
  4. Step 4: Simplify right side
    127,664.04x = 13,035,404,686.06
  5. Step 5: Solve for x
    x = 13,035,404,686.06/127,664.04
  6. Step 6: Final answer
    x = 102,107.10

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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.