Home / 190,483.52-262,882.88-105,628.16

Finding the Fourth Proportional to 190,483.52, 262,882.88 and 105,628.16

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Solution

The fourth proportional to 190,483.52, 262,882.88 and 105,628.16 is: 145,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,483.52 : 262,882.88 = 105,628.16 : x
  2. Step 2: Convert to fraction form
    190,483.52/262,882.88 = 105,628.16/x
  3. Step 3: Cross multiply
    190,483.52x = 262,882.88 × 105,628.16
  4. Step 4: Simplify right side
    190,483.52x = 27,767,834,909.90
  5. Step 5: Solve for x
    x = 27,767,834,909.90/190,483.52
  6. Step 6: Final answer
    x = 145,775.52

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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.