Home / 147,663.90-221,495.85-108,006.30

Finding the Fourth Proportional to 147,663.90, 221,495.85 and 108,006.30

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Solution

The fourth proportional to 147,663.90, 221,495.85 and 108,006.30 is: 162,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,663.90 : 221,495.85 = 108,006.30 : x
  2. Step 2: Convert to fraction form
    147,663.90/221,495.85 = 108,006.30/x
  3. Step 3: Cross multiply
    147,663.90x = 221,495.85 × 108,006.30
  4. Step 4: Simplify right side
    147,663.90x = 23,922,947,223.86
  5. Step 5: Solve for x
    x = 23,922,947,223.86/147,663.90
  6. Step 6: Final answer
    x = 162,009.45

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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.