Home / 119,292.16-178,870.74-39,308.50

Finding the Fourth Proportional to 119,292.16, 178,870.74 and 39,308.50

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Solution

The fourth proportional to 119,292.16, 178,870.74 and 39,308.50 is: 58,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,292.16 : 178,870.74 = 39,308.50 : x
  2. Step 2: Convert to fraction form
    119,292.16/178,870.74 = 39,308.50/x
  3. Step 3: Cross multiply
    119,292.16x = 178,870.74 × 39,308.50
  4. Step 4: Simplify right side
    119,292.16x = 7,031,140,483.29
  5. Step 5: Solve for x
    x = 7,031,140,483.29/119,292.16
  6. Step 6: Final answer
    x = 58,940.51

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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.