Home / 302,717.58-454,071.48-103,176.90

Finding the Fourth Proportional to 302,717.58, 454,071.48 and 103,176.90

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Solution

The fourth proportional to 302,717.58, 454,071.48 and 103,176.90 is: 154,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,717.58 : 454,071.48 = 103,176.90 : x
  2. Step 2: Convert to fraction form
    302,717.58/454,071.48 = 103,176.90/x
  3. Step 3: Cross multiply
    302,717.58x = 454,071.48 × 103,176.90
  4. Step 4: Simplify right side
    302,717.58x = 46,849,687,684.81
  5. Step 5: Solve for x
    x = 46,849,687,684.81/302,717.58
  6. Step 6: Final answer
    x = 154,763.68

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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.