Home / 161,430.30-242,145.45-98,444.70

Finding the Fourth Proportional to 161,430.30, 242,145.45 and 98,444.70

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Solution

The fourth proportional to 161,430.30, 242,145.45 and 98,444.70 is: 147,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,430.30 : 242,145.45 = 98,444.70 : x
  2. Step 2: Convert to fraction form
    161,430.30/242,145.45 = 98,444.70/x
  3. Step 3: Cross multiply
    161,430.30x = 242,145.45 × 98,444.70
  4. Step 4: Simplify right side
    161,430.30x = 23,837,936,181.62
  5. Step 5: Solve for x
    x = 23,837,936,181.62/161,430.30
  6. Step 6: Final answer
    x = 147,667.05

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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.