Home / 185,752.40-278,538.47-90,871.46

Finding the Fourth Proportional to 185,752.40, 278,538.47 and 90,871.46

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Solution

The fourth proportional to 185,752.40, 278,538.47 and 90,871.46 is: 136,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,752.40 : 278,538.47 = 90,871.46 : x
  2. Step 2: Convert to fraction form
    185,752.40/278,538.47 = 90,871.46/x
  3. Step 3: Cross multiply
    185,752.40x = 278,538.47 × 90,871.46
  4. Step 4: Simplify right side
    185,752.40x = 25,311,196,269.55
  5. Step 5: Solve for x
    x = 25,311,196,269.55/185,752.40
  6. Step 6: Final answer
    x = 136,263.09

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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.