Home / 319,637.28-441,099-176,397.30

Finding the Fourth Proportional to 319,637.28, 441,099 and 176,397.30

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Solution

The fourth proportional to 319,637.28, 441,099 and 176,397.30 is: 243,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,637.28 : 441,099 = 176,397.30 : x
  2. Step 2: Convert to fraction form
    319,637.28/441,099 = 176,397.30/x
  3. Step 3: Cross multiply
    319,637.28x = 441,099 × 176,397.30
  4. Step 4: Simplify right side
    319,637.28x = 77,808,672,632.70
  5. Step 5: Solve for x
    x = 77,808,672,632.70/319,637.28
  6. Step 6: Final answer
    x = 243,428.03

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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.