Home / 358,931.54-538,397.40-106,192.46

Finding the Fourth Proportional to 358,931.54, 538,397.40 and 106,192.46

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Solution

The fourth proportional to 358,931.54, 538,397.40 and 106,192.46 is: 159,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,931.54 : 538,397.40 = 106,192.46 : x
  2. Step 2: Convert to fraction form
    358,931.54/538,397.40 = 106,192.46/x
  3. Step 3: Cross multiply
    358,931.54x = 538,397.40 × 106,192.46
  4. Step 4: Simplify right side
    358,931.54x = 57,173,744,363.60
  5. Step 5: Solve for x
    x = 57,173,744,363.60/358,931.54
  6. Step 6: Final answer
    x = 159,288.72

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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.