Home / 145,627.02-218,465.43-66,748.01

Finding the Fourth Proportional to 145,627.02, 218,465.43 and 66,748.01

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Solution

The fourth proportional to 145,627.02, 218,465.43 and 66,748.01 is: 100,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627.02 : 218,465.43 = 66,748.01 : x
  2. Step 2: Convert to fraction form
    145,627.02/218,465.43 = 66,748.01/x
  3. Step 3: Cross multiply
    145,627.02x = 218,465.43 × 66,748.01
  4. Step 4: Simplify right side
    145,627.02x = 14,582,131,864.27
  5. Step 5: Solve for x
    x = 14,582,131,864.27/145,627.02
  6. Step 6: Final answer
    x = 100,133.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.