Home / 161,728.40-242,592.84-56,547.20

Finding the Fourth Proportional to 161,728.40, 242,592.84 and 56,547.20

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Solution

The fourth proportional to 161,728.40, 242,592.84 and 56,547.20 is: 84,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,728.40 : 242,592.84 = 56,547.20 : x
  2. Step 2: Convert to fraction form
    161,728.40/242,592.84 = 56,547.20/x
  3. Step 3: Cross multiply
    161,728.40x = 242,592.84 × 56,547.20
  4. Step 4: Simplify right side
    161,728.40x = 13,717,945,842.05
  5. Step 5: Solve for x
    x = 13,717,945,842.05/161,728.40
  6. Step 6: Final answer
    x = 84,820.88

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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.