Home / 147,579.15-203,658.24-83,916.93

Finding the Fourth Proportional to 147,579.15, 203,658.24 and 83,916.93

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Solution

The fourth proportional to 147,579.15, 203,658.24 and 83,916.93 is: 115,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,579.15 : 203,658.24 = 83,916.93 : x
  2. Step 2: Convert to fraction form
    147,579.15/203,658.24 = 83,916.93/x
  3. Step 3: Cross multiply
    147,579.15x = 203,658.24 × 83,916.93
  4. Step 4: Simplify right side
    147,579.15x = 17,090,374,270.00
  5. Step 5: Solve for x
    x = 17,090,374,270.00/147,579.15
  6. Step 6: Final answer
    x = 115,804.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.