Home / 145,784.03-218,699.48-51,012.10

Finding the Fourth Proportional to 145,784.03, 218,699.48 and 51,012.10

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Solution

The fourth proportional to 145,784.03, 218,699.48 and 51,012.10 is: 76,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,784.03 : 218,699.48 = 51,012.10 : x
  2. Step 2: Convert to fraction form
    145,784.03/218,699.48 = 51,012.10/x
  3. Step 3: Cross multiply
    145,784.03x = 218,699.48 × 51,012.10
  4. Step 4: Simplify right side
    145,784.03x = 11,156,318,395.15
  5. Step 5: Solve for x
    x = 11,156,318,395.15/145,784.03
  6. Step 6: Final answer
    x = 76,526.34

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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.