Home / 210,113.22-289,957.10-114,621.92

Finding the Fourth Proportional to 210,113.22, 289,957.10 and 114,621.92

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Solution

The fourth proportional to 210,113.22, 289,957.10 and 114,621.92 is: 158,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,113.22 : 289,957.10 = 114,621.92 : x
  2. Step 2: Convert to fraction form
    210,113.22/289,957.10 = 114,621.92/x
  3. Step 3: Cross multiply
    210,113.22x = 289,957.10 × 114,621.92
  4. Step 4: Simplify right side
    210,113.22x = 33,235,439,519.63
  5. Step 5: Solve for x
    x = 33,235,439,519.63/210,113.22
  6. Step 6: Final answer
    x = 158,178.72

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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.