Home / 161,777.40-242,666.10-56,582.70

Finding the Fourth Proportional to 161,777.40, 242,666.10 and 56,582.70

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Solution

The fourth proportional to 161,777.40, 242,666.10 and 56,582.70 is: 84,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777.40 : 242,666.10 = 56,582.70 : x
  2. Step 2: Convert to fraction form
    161,777.40/242,666.10 = 56,582.70/x
  3. Step 3: Cross multiply
    161,777.40x = 242,666.10 × 56,582.70
  4. Step 4: Simplify right side
    161,777.40x = 13,730,703,136.47
  5. Step 5: Solve for x
    x = 13,730,703,136.47/161,777.40
  6. Step 6: Final answer
    x = 84,874.05

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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.