Home / 176,426.89-243,415.47-99,933.84

Finding the Fourth Proportional to 176,426.89, 243,415.47 and 99,933.84

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Solution

The fourth proportional to 176,426.89, 243,415.47 and 99,933.84 is: 137,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,426.89 : 243,415.47 = 99,933.84 : x
  2. Step 2: Convert to fraction form
    176,426.89/243,415.47 = 99,933.84/x
  3. Step 3: Cross multiply
    176,426.89x = 243,415.47 × 99,933.84
  4. Step 4: Simplify right side
    176,426.89x = 24,325,442,632.50
  5. Step 5: Solve for x
    x = 24,325,442,632.50/176,426.89
  6. Step 6: Final answer
    x = 137,878.32

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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.