Home / 133,307.47-183,966.50-79,597.18

Finding the Fourth Proportional to 133,307.47, 183,966.50 and 79,597.18

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Solution

The fourth proportional to 133,307.47, 183,966.50 and 79,597.18 is: 109,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307.47 : 183,966.50 = 79,597.18 : x
  2. Step 2: Convert to fraction form
    133,307.47/183,966.50 = 79,597.18/x
  3. Step 3: Cross multiply
    133,307.47x = 183,966.50 × 79,597.18
  4. Step 4: Simplify right side
    133,307.47x = 14,643,213,296.65
  5. Step 5: Solve for x
    x = 14,643,213,296.65/133,307.47
  6. Step 6: Final answer
    x = 109,845.41

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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.