Home / 319,838.60-441,384.12-176,607.62

Finding the Fourth Proportional to 319,838.60, 441,384.12 and 176,607.62

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Solution

The fourth proportional to 319,838.60, 441,384.12 and 176,607.62 is: 243,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,838.60 : 441,384.12 = 176,607.62 : x
  2. Step 2: Convert to fraction form
    319,838.60/441,384.12 = 176,607.62/x
  3. Step 3: Cross multiply
    319,838.60x = 441,384.12 × 176,607.62
  4. Step 4: Simplify right side
    319,838.60x = 77,951,798,938.99
  5. Step 5: Solve for x
    x = 77,951,798,938.99/319,838.60
  6. Step 6: Final answer
    x = 243,722.30

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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.