Home / 145,844.10-218,852.55-106,301.70

Finding the Fourth Proportional to 145,844.10, 218,852.55 and 106,301.70

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Solution

The fourth proportional to 145,844.10, 218,852.55 and 106,301.70 is: 159,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,844.10 : 218,852.55 = 106,301.70 : x
  2. Step 2: Convert to fraction form
    145,844.10/218,852.55 = 106,301.70/x
  3. Step 3: Cross multiply
    145,844.10x = 218,852.55 × 106,301.70
  4. Step 4: Simplify right side
    145,844.10x = 23,264,398,114.34
  5. Step 5: Solve for x
    x = 23,264,398,114.34/145,844.10
  6. Step 6: Final answer
    x = 159,515.52

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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.