Home / 145,928.72-218,881.39-64,900.83

Finding the Fourth Proportional to 145,928.72, 218,881.39 and 64,900.83

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Solution

The fourth proportional to 145,928.72, 218,881.39 and 64,900.83 is: 97,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928.72 : 218,881.39 = 64,900.83 : x
  2. Step 2: Convert to fraction form
    145,928.72/218,881.39 = 64,900.83/x
  3. Step 3: Cross multiply
    145,928.72x = 218,881.39 × 64,900.83
  4. Step 4: Simplify right side
    145,928.72x = 14,205,583,882.55
  5. Step 5: Solve for x
    x = 14,205,583,882.55/145,928.72
  6. Step 6: Final answer
    x = 97,346.05

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1.5x scale

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.