Home / 438,526.69-657,790.06-106,102.69

Finding the Fourth Proportional to 438,526.69, 657,790.06 and 106,102.69

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Solution

The fourth proportional to 438,526.69, 657,790.06 and 106,102.69 is: 159,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,526.69 : 657,790.06 = 106,102.69 : x
  2. Step 2: Convert to fraction form
    438,526.69/657,790.06 = 106,102.69/x
  3. Step 3: Cross multiply
    438,526.69x = 657,790.06 × 106,102.69
  4. Step 4: Simplify right side
    438,526.69x = 69,793,292,911.53
  5. Step 5: Solve for x
    x = 69,793,292,911.53/438,526.69
  6. Step 6: Final answer
    x = 159,154.04

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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.