Home / 221,916.66-306,301.95-136,984.92

Finding the Fourth Proportional to 221,916.66, 306,301.95 and 136,984.92

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Solution

The fourth proportional to 221,916.66, 306,301.95 and 136,984.92 is: 189,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,916.66 : 306,301.95 = 136,984.92 : x
  2. Step 2: Convert to fraction form
    221,916.66/306,301.95 = 136,984.92/x
  3. Step 3: Cross multiply
    221,916.66x = 306,301.95 × 136,984.92
  4. Step 4: Simplify right side
    221,916.66x = 41,958,748,116.59
  5. Step 5: Solve for x
    x = 41,958,748,116.59/221,916.66
  6. Step 6: Final answer
    x = 189,074.35

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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.