Home / 176,875.12-244,075.33-100,395.78

Finding the Fourth Proportional to 176,875.12, 244,075.33 and 100,395.78

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Solution

The fourth proportional to 176,875.12, 244,075.33 and 100,395.78 is: 138,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,875.12 : 244,075.33 = 100,395.78 : x
  2. Step 2: Convert to fraction form
    176,875.12/244,075.33 = 100,395.78/x
  3. Step 3: Cross multiply
    176,875.12x = 244,075.33 × 100,395.78
  4. Step 4: Simplify right side
    176,875.12x = 24,504,133,134.11
  5. Step 5: Solve for x
    x = 24,504,133,134.11/176,875.12
  6. Step 6: Final answer
    x = 138,539.17

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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.