Home / 145,897.40-218,758.55-57,044.99

Finding the Fourth Proportional to 145,897.40, 218,758.55 and 57,044.99

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Solution

The fourth proportional to 145,897.40, 218,758.55 and 57,044.99 is: 85,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,897.40 : 218,758.55 = 57,044.99 : x
  2. Step 2: Convert to fraction form
    145,897.40/218,758.55 = 57,044.99/x
  3. Step 3: Cross multiply
    145,897.40x = 218,758.55 × 57,044.99
  4. Step 4: Simplify right side
    145,897.40x = 12,479,077,918.15
  5. Step 5: Solve for x
    x = 12,479,077,918.15/145,897.40
  6. Step 6: Final answer
    x = 85,533.25

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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.