Home / 109,623.40-151,280.76-59,322.40

Finding the Fourth Proportional to 109,623.40, 151,280.76 and 59,322.40

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Solution

The fourth proportional to 109,623.40, 151,280.76 and 59,322.40 is: 81,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,623.40 : 151,280.76 = 59,322.40 : x
  2. Step 2: Convert to fraction form
    109,623.40/151,280.76 = 59,322.40/x
  3. Step 3: Cross multiply
    109,623.40x = 151,280.76 × 59,322.40
  4. Step 4: Simplify right side
    109,623.40x = 8,974,337,757.02
  5. Step 5: Solve for x
    x = 8,974,337,757.02/109,623.40
  6. Step 6: Final answer
    x = 81,865.17

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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.