Home / 133,330.84-183,996.66-72,900.52

Finding the Fourth Proportional to 133,330.84, 183,996.66 and 72,900.52

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Solution

The fourth proportional to 133,330.84, 183,996.66 and 72,900.52 is: 100,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.84 : 183,996.66 = 72,900.52 : x
  2. Step 2: Convert to fraction form
    133,330.84/183,996.66 = 72,900.52/x
  3. Step 3: Cross multiply
    133,330.84x = 183,996.66 × 72,900.52
  4. Step 4: Simplify right side
    133,330.84x = 13,413,452,192.26
  5. Step 5: Solve for x
    x = 13,413,452,192.26/133,330.84
  6. Step 6: Final answer
    x = 100,602.77

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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.