Home / 186,233.52-257,001.72-105,676.80

Finding the Fourth Proportional to 186,233.52, 257,001.72 and 105,676.80

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Solution

The fourth proportional to 186,233.52, 257,001.72 and 105,676.80 is: 145,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,233.52 : 257,001.72 = 105,676.80 : x
  2. Step 2: Convert to fraction form
    186,233.52/257,001.72 = 105,676.80/x
  3. Step 3: Cross multiply
    186,233.52x = 257,001.72 × 105,676.80
  4. Step 4: Simplify right side
    186,233.52x = 27,159,119,364.10
  5. Step 5: Solve for x
    x = 27,159,119,364.10/186,233.52
  6. Step 6: Final answer
    x = 145,833.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.