Home / 147,981.84-221,971.37-63,801.48

Finding the Fourth Proportional to 147,981.84, 221,971.37 and 63,801.48

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Solution

The fourth proportional to 147,981.84, 221,971.37 and 63,801.48 is: 95,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,981.84 : 221,971.37 = 63,801.48 : x
  2. Step 2: Convert to fraction form
    147,981.84/221,971.37 = 63,801.48/x
  3. Step 3: Cross multiply
    147,981.84x = 221,971.37 × 63,801.48
  4. Step 4: Simplify right side
    147,981.84x = 14,162,101,547.31
  5. Step 5: Solve for x
    x = 14,162,101,547.31/147,981.84
  6. Step 6: Final answer
    x = 95,701.62

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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.