Home / 185,929.07-256,572.29-105,357.56

Finding the Fourth Proportional to 185,929.07, 256,572.29 and 105,357.56

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Solution

The fourth proportional to 185,929.07, 256,572.29 and 105,357.56 is: 145,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,929.07 : 256,572.29 = 105,357.56 : x
  2. Step 2: Convert to fraction form
    185,929.07/256,572.29 = 105,357.56/x
  3. Step 3: Cross multiply
    185,929.07x = 256,572.29 × 105,357.56
  4. Step 4: Simplify right side
    185,929.07x = 27,031,828,628.36
  5. Step 5: Solve for x
    x = 27,031,828,628.36/185,929.07
  6. Step 6: Final answer
    x = 145,387.86

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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.