Home / 221,039.15-331,561.01-176,946.20

Finding the Fourth Proportional to 221,039.15, 331,561.01 and 176,946.20

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Solution

The fourth proportional to 221,039.15, 331,561.01 and 176,946.20 is: 265,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,039.15 : 331,561.01 = 176,946.20 : x
  2. Step 2: Convert to fraction form
    221,039.15/331,561.01 = 176,946.20/x
  3. Step 3: Cross multiply
    221,039.15x = 331,561.01 × 176,946.20
  4. Step 4: Simplify right side
    221,039.15x = 58,668,460,787.66
  5. Step 5: Solve for x
    x = 58,668,460,787.66/221,039.15
  6. Step 6: Final answer
    x = 265,421.13

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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.