Home / 358,970.27-538,548.80-134,348.36

Finding the Fourth Proportional to 358,970.27, 538,548.80 and 134,348.36

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Solution

The fourth proportional to 358,970.27, 538,548.80 and 134,348.36 is: 201,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,970.27 : 538,548.80 = 134,348.36 : x
  2. Step 2: Convert to fraction form
    358,970.27/538,548.80 = 134,348.36/x
  3. Step 3: Cross multiply
    358,970.27x = 538,548.80 × 134,348.36
  4. Step 4: Simplify right side
    358,970.27x = 72,353,144,695.48
  5. Step 5: Solve for x
    x = 72,353,144,695.48/358,970.27
  6. Step 6: Final answer
    x = 201,557.49

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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.