Home / 353,258.04-487,491.51-192,109.65

Finding the Fourth Proportional to 353,258.04, 487,491.51 and 192,109.65

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Solution

The fourth proportional to 353,258.04, 487,491.51 and 192,109.65 is: 265,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,258.04 : 487,491.51 = 192,109.65 : x
  2. Step 2: Convert to fraction form
    353,258.04/487,491.51 = 192,109.65/x
  3. Step 3: Cross multiply
    353,258.04x = 487,491.51 × 192,109.65
  4. Step 4: Simplify right side
    353,258.04x = 93,651,823,364.07
  5. Step 5: Solve for x
    x = 93,651,823,364.07/353,258.04
  6. Step 6: Final answer
    x = 265,108.82

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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.