Home / 147,712.86-221,437.98-54,196.74

Finding the Fourth Proportional to 147,712.86, 221,437.98 and 54,196.74

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Solution

The fourth proportional to 147,712.86, 221,437.98 and 54,196.74 is: 81,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,712.86 : 221,437.98 = 54,196.74 : x
  2. Step 2: Convert to fraction form
    147,712.86/221,437.98 = 54,196.74/x
  3. Step 3: Cross multiply
    147,712.86x = 221,437.98 × 54,196.74
  4. Step 4: Simplify right side
    147,712.86x = 12,001,216,628.19
  5. Step 5: Solve for x
    x = 12,001,216,628.19/147,712.86
  6. Step 6: Final answer
    x = 81,246.93

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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.