Home / 133,053.60-183,611.28-76,463.52

Finding the Fourth Proportional to 133,053.60, 183,611.28 and 76,463.52

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Solution

The fourth proportional to 133,053.60, 183,611.28 and 76,463.52 is: 105,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.60 : 183,611.28 = 76,463.52 : x
  2. Step 2: Convert to fraction form
    133,053.60/183,611.28 = 76,463.52/x
  3. Step 3: Cross multiply
    133,053.60x = 183,611.28 × 76,463.52
  4. Step 4: Simplify right side
    133,053.60x = 14,039,564,780.51
  5. Step 5: Solve for x
    x = 14,039,564,780.51/133,053.60
  6. Step 6: Final answer
    x = 105,518.11

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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.