Home / 161,748.80-242,623.20-56,578.40

Finding the Fourth Proportional to 161,748.80, 242,623.20 and 56,578.40

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Solution

The fourth proportional to 161,748.80, 242,623.20 and 56,578.40 is: 84,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748.80 : 242,623.20 = 56,578.40 : x
  2. Step 2: Convert to fraction form
    161,748.80/242,623.20 = 56,578.40/x
  3. Step 3: Cross multiply
    161,748.80x = 242,623.20 × 56,578.40
  4. Step 4: Simplify right side
    161,748.80x = 13,727,232,458.88
  5. Step 5: Solve for x
    x = 13,727,232,458.88/161,748.80
  6. Step 6: Final answer
    x = 84,867.60

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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.