Home / 545,151.76-817,834.62-190,177.36

Finding the Fourth Proportional to 545,151.76, 817,834.62 and 190,177.36

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Solution

The fourth proportional to 545,151.76, 817,834.62 and 190,177.36 is: 285,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,151.76 : 817,834.62 = 190,177.36 : x
  2. Step 2: Convert to fraction form
    545,151.76/817,834.62 = 190,177.36/x
  3. Step 3: Cross multiply
    545,151.76x = 817,834.62 × 190,177.36
  4. Step 4: Simplify right side
    545,151.76x = 155,533,628,948.20
  5. Step 5: Solve for x
    x = 155,533,628,948.20/545,151.76
  6. Step 6: Final answer
    x = 285,303.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.