Home / 147,769.10-221,653.65-101,113.10

Finding the Fourth Proportional to 147,769.10, 221,653.65 and 101,113.10

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Solution

The fourth proportional to 147,769.10, 221,653.65 and 101,113.10 is: 151,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,769.10 : 221,653.65 = 101,113.10 : x
  2. Step 2: Convert to fraction form
    147,769.10/221,653.65 = 101,113.10/x
  3. Step 3: Cross multiply
    147,769.10x = 221,653.65 × 101,113.10
  4. Step 4: Simplify right side
    147,769.10x = 22,412,087,677.82
  5. Step 5: Solve for x
    x = 22,412,087,677.82/147,769.10
  6. Step 6: Final answer
    x = 151,669.65

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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.