Home / 221,018.90-331,530.66-176,925.94

Finding the Fourth Proportional to 221,018.90, 331,530.66 and 176,925.94

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Solution

The fourth proportional to 221,018.90, 331,530.66 and 176,925.94 is: 265,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,018.90 : 331,530.66 = 176,925.94 : x
  2. Step 2: Convert to fraction form
    221,018.90/331,530.66 = 176,925.94/x
  3. Step 3: Cross multiply
    221,018.90x = 331,530.66 × 176,925.94
  4. Step 4: Simplify right side
    221,018.90x = 58,656,371,117.04
  5. Step 5: Solve for x
    x = 58,656,371,117.04/221,018.90
  6. Step 6: Final answer
    x = 265,390.75

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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.