Home / 176,278.76-243,274.02-100,840.04

Finding the Fourth Proportional to 176,278.76, 243,274.02 and 100,840.04

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Solution

The fourth proportional to 176,278.76, 243,274.02 and 100,840.04 is: 139,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,278.76 : 243,274.02 = 100,840.04 : x
  2. Step 2: Convert to fraction form
    176,278.76/243,274.02 = 100,840.04/x
  3. Step 3: Cross multiply
    176,278.76x = 243,274.02 × 100,840.04
  4. Step 4: Simplify right side
    176,278.76x = 24,531,761,907.76
  5. Step 5: Solve for x
    x = 24,531,761,907.76/176,278.76
  6. Step 6: Final answer
    x = 139,164.59

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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.