Home / 249,420.54-344,313.66-158,900.64

Finding the Fourth Proportional to 249,420.54, 344,313.66 and 158,900.64

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Solution

The fourth proportional to 249,420.54, 344,313.66 and 158,900.64 is: 219,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,420.54 : 344,313.66 = 158,900.64 : x
  2. Step 2: Convert to fraction form
    249,420.54/344,313.66 = 158,900.64/x
  3. Step 3: Cross multiply
    249,420.54x = 344,313.66 × 158,900.64
  4. Step 4: Simplify right side
    249,420.54x = 54,711,660,934.74
  5. Step 5: Solve for x
    x = 54,711,660,934.74/249,420.54
  6. Step 6: Final answer
    x = 219,355.07

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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.