Home / 147,562.70-221,011.02-103,386.62

Finding the Fourth Proportional to 147,562.70, 221,011.02 and 103,386.62

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Solution

The fourth proportional to 147,562.70, 221,011.02 and 103,386.62 is: 154,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,562.70 : 221,011.02 = 103,386.62 : x
  2. Step 2: Convert to fraction form
    147,562.70/221,011.02 = 103,386.62/x
  3. Step 3: Cross multiply
    147,562.70x = 221,011.02 × 103,386.62
  4. Step 4: Simplify right side
    147,562.70x = 22,849,582,340.55
  5. Step 5: Solve for x
    x = 22,849,582,340.55/147,562.70
  6. Step 6: Final answer
    x = 154,846.60

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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.