Home / 438,650.16-657,973.08-106,226.16

Finding the Fourth Proportional to 438,650.16, 657,973.08 and 106,226.16

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Solution

The fourth proportional to 438,650.16, 657,973.08 and 106,226.16 is: 159,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,650.16 : 657,973.08 = 106,226.16 : x
  2. Step 2: Convert to fraction form
    438,650.16/657,973.08 = 106,226.16/x
  3. Step 3: Cross multiply
    438,650.16x = 657,973.08 × 106,226.16
  4. Step 4: Simplify right side
    438,650.16x = 69,893,953,671.77
  5. Step 5: Solve for x
    x = 69,893,953,671.77/438,650.16
  6. Step 6: Final answer
    x = 159,338.72

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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.