Home / 147,652.48-203,746.08-83,977.60

Finding the Fourth Proportional to 147,652.48, 203,746.08 and 83,977.60

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Solution

The fourth proportional to 147,652.48, 203,746.08 and 83,977.60 is: 115,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,652.48 : 203,746.08 = 83,977.60 : x
  2. Step 2: Convert to fraction form
    147,652.48/203,746.08 = 83,977.60/x
  3. Step 3: Cross multiply
    147,652.48x = 203,746.08 × 83,977.60
  4. Step 4: Simplify right side
    147,652.48x = 17,110,106,807.81
  5. Step 5: Solve for x
    x = 17,110,106,807.81/147,652.48
  6. Step 6: Final answer
    x = 115,880.93

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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.