Home / 186,922.48-280,276-127,829.76

Finding the Fourth Proportional to 186,922.48, 280,276 and 127,829.76

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Solution

The fourth proportional to 186,922.48, 280,276 and 127,829.76 is: 191,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,922.48 : 280,276 = 127,829.76 : x
  2. Step 2: Convert to fraction form
    186,922.48/280,276 = 127,829.76/x
  3. Step 3: Cross multiply
    186,922.48x = 280,276 × 127,829.76
  4. Step 4: Simplify right side
    186,922.48x = 35,827,613,813.76
  5. Step 5: Solve for x
    x = 35,827,613,813.76/186,922.48
  6. Step 6: Final answer
    x = 191,670.97

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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.