Home / 147,904.30-221,856.45-118,379.80

Finding the Fourth Proportional to 147,904.30, 221,856.45 and 118,379.80

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Solution

The fourth proportional to 147,904.30, 221,856.45 and 118,379.80 is: 177,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,904.30 : 221,856.45 = 118,379.80 : x
  2. Step 2: Convert to fraction form
    147,904.30/221,856.45 = 118,379.80/x
  3. Step 3: Cross multiply
    147,904.30x = 221,856.45 × 118,379.80
  4. Step 4: Simplify right side
    147,904.30x = 26,263,322,179.71
  5. Step 5: Solve for x
    x = 26,263,322,179.71/147,904.30
  6. Step 6: Final answer
    x = 177,569.70

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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.