Home / 131,582.83-197,407.13-38,088.58

Finding the Fourth Proportional to 131,582.83, 197,407.13 and 38,088.58

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Solution

The fourth proportional to 131,582.83, 197,407.13 and 38,088.58 is: 57,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,582.83 : 197,407.13 = 38,088.58 : x
  2. Step 2: Convert to fraction form
    131,582.83/197,407.13 = 38,088.58/x
  3. Step 3: Cross multiply
    131,582.83x = 197,407.13 × 38,088.58
  4. Step 4: Simplify right side
    131,582.83x = 7,518,957,263.58
  5. Step 5: Solve for x
    x = 7,518,957,263.58/131,582.83
  6. Step 6: Final answer
    x = 57,142.39

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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.