Home / 147,790.60-221,685.90-103,467.40

Finding the Fourth Proportional to 147,790.60, 221,685.90 and 103,467.40

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Solution

The fourth proportional to 147,790.60, 221,685.90 and 103,467.40 is: 155,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,790.60 : 221,685.90 = 103,467.40 : x
  2. Step 2: Convert to fraction form
    147,790.60/221,685.90 = 103,467.40/x
  3. Step 3: Cross multiply
    147,790.60x = 221,685.90 × 103,467.40
  4. Step 4: Simplify right side
    147,790.60x = 22,937,263,689.66
  5. Step 5: Solve for x
    x = 22,937,263,689.66/147,790.60
  6. Step 6: Final answer
    x = 155,201.10

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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.