Home / 156,430.01-234,688.76-51,322.79

Finding the Fourth Proportional to 156,430.01, 234,688.76 and 51,322.79

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Solution

The fourth proportional to 156,430.01, 234,688.76 and 51,322.79 is: 76,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,430.01 : 234,688.76 = 51,322.79 : x
  2. Step 2: Convert to fraction form
    156,430.01/234,688.76 = 51,322.79/x
  3. Step 3: Cross multiply
    156,430.01x = 234,688.76 × 51,322.79
  4. Step 4: Simplify right side
    156,430.01x = 12,044,881,688.23
  5. Step 5: Solve for x
    x = 12,044,881,688.23/156,430.01
  6. Step 6: Final answer
    x = 76,998.54

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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.