Home / 133,027.66-183,582.06-72,602.18

Finding the Fourth Proportional to 133,027.66, 183,582.06 and 72,602.18

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Solution

The fourth proportional to 133,027.66, 183,582.06 and 72,602.18 is: 100,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,027.66 : 183,582.06 = 72,602.18 : x
  2. Step 2: Convert to fraction form
    133,027.66/183,582.06 = 72,602.18/x
  3. Step 3: Cross multiply
    133,027.66x = 183,582.06 × 72,602.18
  4. Step 4: Simplify right side
    133,027.66x = 13,328,457,946.40
  5. Step 5: Solve for x
    x = 13,328,457,946.40/133,027.66
  6. Step 6: Final answer
    x = 100,193.13

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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.