Home / 109,581.75-151,222.95-59,280.75

Finding the Fourth Proportional to 109,581.75, 151,222.95 and 59,280.75

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Solution

The fourth proportional to 109,581.75, 151,222.95 and 59,280.75 is: 81,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.75 : 151,222.95 = 59,280.75 : x
  2. Step 2: Convert to fraction form
    109,581.75/151,222.95 = 59,280.75/x
  3. Step 3: Cross multiply
    109,581.75x = 151,222.95 × 59,280.75
  4. Step 4: Simplify right side
    109,581.75x = 8,964,609,893.21
  5. Step 5: Solve for x
    x = 8,964,609,893.21/109,581.75
  6. Step 6: Final answer
    x = 81,807.51

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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.