Home / 342,934.74-473,244.78-189,972.45

Finding the Fourth Proportional to 342,934.74, 473,244.78 and 189,972.45

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Solution

The fourth proportional to 342,934.74, 473,244.78 and 189,972.45 is: 262,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,934.74 : 473,244.78 = 189,972.45 : x
  2. Step 2: Convert to fraction form
    342,934.74/473,244.78 = 189,972.45/x
  3. Step 3: Cross multiply
    342,934.74x = 473,244.78 × 189,972.45
  4. Step 4: Simplify right side
    342,934.74x = 89,903,470,306.31
  5. Step 5: Solve for x
    x = 89,903,470,306.31/342,934.74
  6. Step 6: Final answer
    x = 262,159.12

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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.