Home / 145,977.36-218,966.04-52,432.08

Finding the Fourth Proportional to 145,977.36, 218,966.04 and 52,432.08

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Solution

The fourth proportional to 145,977.36, 218,966.04 and 52,432.08 is: 78,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,977.36 : 218,966.04 = 52,432.08 : x
  2. Step 2: Convert to fraction form
    145,977.36/218,966.04 = 52,432.08/x
  3. Step 3: Cross multiply
    145,977.36x = 218,966.04 × 52,432.08
  4. Step 4: Simplify right side
    145,977.36x = 11,480,844,926.56
  5. Step 5: Solve for x
    x = 11,480,844,926.56/145,977.36
  6. Step 6: Final answer
    x = 78,648.12

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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.