Home / 116,365.10-160,659.87-89,457.98

Finding the Fourth Proportional to 116,365.10, 160,659.87 and 89,457.98

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Solution

The fourth proportional to 116,365.10, 160,659.87 and 89,457.98 is: 123,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,365.10 : 160,659.87 = 89,457.98 : x
  2. Step 2: Convert to fraction form
    116,365.10/160,659.87 = 89,457.98/x
  3. Step 3: Cross multiply
    116,365.10x = 160,659.87 × 89,457.98
  4. Step 4: Simplify right side
    116,365.10x = 14,372,307,437.26
  5. Step 5: Solve for x
    x = 14,372,307,437.26/116,365.10
  6. Step 6: Final answer
    x = 123,510.46

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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.