Home / 176,425.02-243,448.88-99,928.76

Finding the Fourth Proportional to 176,425.02, 243,448.88 and 99,928.76

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Solution

The fourth proportional to 176,425.02, 243,448.88 and 99,928.76 is: 137,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,425.02 : 243,448.88 = 99,928.76 : x
  2. Step 2: Convert to fraction form
    176,425.02/243,448.88 = 99,928.76/x
  3. Step 3: Cross multiply
    176,425.02x = 243,448.88 × 99,928.76
  4. Step 4: Simplify right side
    176,425.02x = 24,327,542,984.90
  5. Step 5: Solve for x
    x = 24,327,542,984.90/176,425.02
  6. Step 6: Final answer
    x = 137,891.68

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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.