Home / 121,502.04-182,165.58-74,658.12

Finding the Fourth Proportional to 121,502.04, 182,165.58 and 74,658.12

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Solution

The fourth proportional to 121,502.04, 182,165.58 and 74,658.12 is: 111,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,502.04 : 182,165.58 = 74,658.12 : x
  2. Step 2: Convert to fraction form
    121,502.04/182,165.58 = 74,658.12/x
  3. Step 3: Cross multiply
    121,502.04x = 182,165.58 × 74,658.12
  4. Step 4: Simplify right side
    121,502.04x = 13,600,139,731.51
  5. Step 5: Solve for x
    x = 13,600,139,731.51/121,502.04
  6. Step 6: Final answer
    x = 111,933.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.