Home / 249,346.49-373,770.32-89,378.91

Finding the Fourth Proportional to 249,346.49, 373,770.32 and 89,378.91

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Solution

The fourth proportional to 249,346.49, 373,770.32 and 89,378.91 is: 133,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,346.49 : 373,770.32 = 89,378.91 : x
  2. Step 2: Convert to fraction form
    249,346.49/373,770.32 = 89,378.91/x
  3. Step 3: Cross multiply
    249,346.49x = 373,770.32 × 89,378.91
  4. Step 4: Simplify right side
    249,346.49x = 33,407,183,345.06
  5. Step 5: Solve for x
    x = 33,407,183,345.06/249,346.49
  6. Step 6: Final answer
    x = 133,978.96

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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.