Home / 185,628.47-256,173.45-105,055.07

Finding the Fourth Proportional to 185,628.47, 256,173.45 and 105,055.07

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Solution

The fourth proportional to 185,628.47, 256,173.45 and 105,055.07 is: 144,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.47 : 256,173.45 = 105,055.07 : x
  2. Step 2: Convert to fraction form
    185,628.47/256,173.45 = 105,055.07/x
  3. Step 3: Cross multiply
    185,628.47x = 256,173.45 × 105,055.07
  4. Step 4: Simplify right side
    185,628.47x = 26,912,319,721.89
  5. Step 5: Solve for x
    x = 26,912,319,721.89/185,628.47
  6. Step 6: Final answer
    x = 144,979.48

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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.