Home / 319,709.10-441,196.16-176,469.11

Finding the Fourth Proportional to 319,709.10, 441,196.16 and 176,469.11

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Solution

The fourth proportional to 319,709.10, 441,196.16 and 176,469.11 is: 243,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,709.10 : 441,196.16 = 176,469.11 : x
  2. Step 2: Convert to fraction form
    319,709.10/441,196.16 = 176,469.11/x
  3. Step 3: Cross multiply
    319,709.10x = 441,196.16 × 176,469.11
  4. Step 4: Simplify right side
    319,709.10x = 77,857,490,602.29
  5. Step 5: Solve for x
    x = 77,857,490,602.29/319,709.10
  6. Step 6: Final answer
    x = 243,526.04

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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.