Home / 114,861.96-172,117.08-77,282.82

Finding the Fourth Proportional to 114,861.96, 172,117.08 and 77,282.82

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Solution

The fourth proportional to 114,861.96, 172,117.08 and 77,282.82 is: 115,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,861.96 : 172,117.08 = 77,282.82 : x
  2. Step 2: Convert to fraction form
    114,861.96/172,117.08 = 77,282.82/x
  3. Step 3: Cross multiply
    114,861.96x = 172,117.08 × 77,282.82
  4. Step 4: Simplify right side
    114,861.96x = 13,301,693,312.57
  5. Step 5: Solve for x
    x = 13,301,693,312.57/114,861.96
  6. Step 6: Final answer
    x = 115,805.91

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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.