Home / 145,847.76-218,674.40-52,341.36

Finding the Fourth Proportional to 145,847.76, 218,674.40 and 52,341.36

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Solution

The fourth proportional to 145,847.76, 218,674.40 and 52,341.36 is: 78,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,847.76 : 218,674.40 = 52,341.36 : x
  2. Step 2: Convert to fraction form
    145,847.76/218,674.40 = 52,341.36/x
  3. Step 3: Cross multiply
    145,847.76x = 218,674.40 × 52,341.36
  4. Step 4: Simplify right side
    145,847.76x = 11,445,715,493.18
  5. Step 5: Solve for x
    x = 11,445,715,493.18/145,847.76
  6. Step 6: Final answer
    x = 78,477.14

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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.