Home / 109,353.20-150,875.95-71,168.93

Finding the Fourth Proportional to 109,353.20, 150,875.95 and 71,168.93

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Solution

The fourth proportional to 109,353.20, 150,875.95 and 71,168.93 is: 98,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,353.20 : 150,875.95 = 71,168.93 : x
  2. Step 2: Convert to fraction form
    109,353.20/150,875.95 = 71,168.93/x
  3. Step 3: Cross multiply
    109,353.20x = 150,875.95 × 71,168.93
  4. Step 4: Simplify right side
    109,353.20x = 10,737,678,814.01
  5. Step 5: Solve for x
    x = 10,737,678,814.01/109,353.20
  6. Step 6: Final answer
    x = 98,192.63

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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.