Home / 247,206.79-341,152.56-139,774.51

Finding the Fourth Proportional to 247,206.79, 341,152.56 and 139,774.51

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Solution

The fourth proportional to 247,206.79, 341,152.56 and 139,774.51 is: 192,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.79 : 341,152.56 = 139,774.51 : x
  2. Step 2: Convert to fraction form
    247,206.79/341,152.56 = 139,774.51/x
  3. Step 3: Cross multiply
    247,206.79x = 341,152.56 × 139,774.51
  4. Step 4: Simplify right side
    247,206.79x = 47,684,431,909.25
  5. Step 5: Solve for x
    x = 47,684,431,909.25/247,206.79
  6. Step 6: Final answer
    x = 192,892.89

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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.