Home / 133,296.16-183,948.88-76,706.40

Finding the Fourth Proportional to 133,296.16, 183,948.88 and 76,706.40

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Solution

The fourth proportional to 133,296.16, 183,948.88 and 76,706.40 is: 105,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,296.16 : 183,948.88 = 76,706.40 : x
  2. Step 2: Convert to fraction form
    133,296.16/183,948.88 = 76,706.40/x
  3. Step 3: Cross multiply
    133,296.16x = 183,948.88 × 76,706.40
  4. Step 4: Simplify right side
    133,296.16x = 14,110,056,368.83
  5. Step 5: Solve for x
    x = 14,110,056,368.83/133,296.16
  6. Step 6: Final answer
    x = 105,854.94

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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.