Home / 148,532.10-222,798.15-78,548.10

Finding the Fourth Proportional to 148,532.10, 222,798.15 and 78,548.10

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Solution

The fourth proportional to 148,532.10, 222,798.15 and 78,548.10 is: 117,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,532.10 : 222,798.15 = 78,548.10 : x
  2. Step 2: Convert to fraction form
    148,532.10/222,798.15 = 78,548.10/x
  3. Step 3: Cross multiply
    148,532.10x = 222,798.15 × 78,548.10
  4. Step 4: Simplify right side
    148,532.10x = 17,500,371,366.02
  5. Step 5: Solve for x
    x = 17,500,371,366.02/148,532.10
  6. Step 6: Final answer
    x = 117,822.15

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1.5x scale

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.