Home / 147,617.40-221,426.10-36,809.40

Finding the Fourth Proportional to 147,617.40, 221,426.10 and 36,809.40

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Solution

The fourth proportional to 147,617.40, 221,426.10 and 36,809.40 is: 55,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.40 : 221,426.10 = 36,809.40 : x
  2. Step 2: Convert to fraction form
    147,617.40/221,426.10 = 36,809.40/x
  3. Step 3: Cross multiply
    147,617.40x = 221,426.10 × 36,809.40
  4. Step 4: Simplify right side
    147,617.40x = 8,150,561,885.34
  5. Step 5: Solve for x
    x = 8,150,561,885.34/147,617.40
  6. Step 6: Final answer
    x = 55,214.10

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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.