Home / 145,768.01-218,715.55-51,066.13

Finding the Fourth Proportional to 145,768.01, 218,715.55 and 51,066.13

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Solution

The fourth proportional to 145,768.01, 218,715.55 and 51,066.13 is: 76,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,768.01 : 218,715.55 = 51,066.13 : x
  2. Step 2: Convert to fraction form
    145,768.01/218,715.55 = 51,066.13/x
  3. Step 3: Cross multiply
    145,768.01x = 218,715.55 × 51,066.13
  4. Step 4: Simplify right side
    145,768.01x = 11,168,956,709.32
  5. Step 5: Solve for x
    x = 11,168,956,709.32/145,768.01
  6. Step 6: Final answer
    x = 76,621.45

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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.