Home / 142,516.48-213,824.16-53,795.52

Finding the Fourth Proportional to 142,516.48, 213,824.16 and 53,795.52

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Solution

The fourth proportional to 142,516.48, 213,824.16 and 53,795.52 is: 80,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,516.48 : 213,824.16 = 53,795.52 : x
  2. Step 2: Convert to fraction form
    142,516.48/213,824.16 = 53,795.52/x
  3. Step 3: Cross multiply
    142,516.48x = 213,824.16 × 53,795.52
  4. Step 4: Simplify right side
    142,516.48x = 11,502,781,875.76
  5. Step 5: Solve for x
    x = 11,502,781,875.76/142,516.48
  6. Step 6: Final answer
    x = 80,711.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.