Home / 318,542.02-477,896.36-118,864.16

Finding the Fourth Proportional to 318,542.02, 477,896.36 and 118,864.16

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Solution

The fourth proportional to 318,542.02, 477,896.36 and 118,864.16 is: 178,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,542.02 : 477,896.36 = 118,864.16 : x
  2. Step 2: Convert to fraction form
    318,542.02/477,896.36 = 118,864.16/x
  3. Step 3: Cross multiply
    318,542.02x = 477,896.36 × 118,864.16
  4. Step 4: Simplify right side
    318,542.02x = 56,804,748,206.77
  5. Step 5: Solve for x
    x = 56,804,748,206.77/318,542.02
  6. Step 6: Final answer
    x = 178,327.33

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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.