Home / 190,208.52-262,484.55-105,323.76

Finding the Fourth Proportional to 190,208.52, 262,484.55 and 105,323.76

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Solution

The fourth proportional to 190,208.52, 262,484.55 and 105,323.76 is: 145,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.52 : 262,484.55 = 105,323.76 : x
  2. Step 2: Convert to fraction form
    190,208.52/262,484.55 = 105,323.76/x
  3. Step 3: Cross multiply
    190,208.52x = 262,484.55 × 105,323.76
  4. Step 4: Simplify right side
    190,208.52x = 27,645,859,747.91
  5. Step 5: Solve for x
    x = 27,645,859,747.91/190,208.52
  6. Step 6: Final answer
    x = 145,345.01

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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.