Home / 109,441.80-151,029.36-59,140.80

Finding the Fourth Proportional to 109,441.80, 151,029.36 and 59,140.80

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Solution

The fourth proportional to 109,441.80, 151,029.36 and 59,140.80 is: 81,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,441.80 : 151,029.36 = 59,140.80 : x
  2. Step 2: Convert to fraction form
    109,441.80/151,029.36 = 59,140.80/x
  3. Step 3: Cross multiply
    109,441.80x = 151,029.36 × 59,140.80
  4. Step 4: Simplify right side
    109,441.80x = 8,931,997,173.89
  5. Step 5: Solve for x
    x = 8,931,997,173.89/109,441.80
  6. Step 6: Final answer
    x = 81,614.13

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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.