Home / 161,710.10-242,565.15-56,518.10

Finding the Fourth Proportional to 161,710.10, 242,565.15 and 56,518.10

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Solution

The fourth proportional to 161,710.10, 242,565.15 and 56,518.10 is: 84,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,710.10 : 242,565.15 = 56,518.10 : x
  2. Step 2: Convert to fraction form
    161,710.10/242,565.15 = 56,518.10/x
  3. Step 3: Cross multiply
    161,710.10x = 242,565.15 × 56,518.10
  4. Step 4: Simplify right side
    161,710.10x = 13,709,321,404.22
  5. Step 5: Solve for x
    x = 13,709,321,404.22/161,710.10
  6. Step 6: Final answer
    x = 84,777.15

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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.