Home / 124,345.68-186,573.60-65,167.26

Finding the Fourth Proportional to 124,345.68, 186,573.60 and 65,167.26

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Solution

The fourth proportional to 124,345.68, 186,573.60 and 65,167.26 is: 97,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,345.68 : 186,573.60 = 65,167.26 : x
  2. Step 2: Convert to fraction form
    124,345.68/186,573.60 = 65,167.26/x
  3. Step 3: Cross multiply
    124,345.68x = 186,573.60 × 65,167.26
  4. Step 4: Simplify right side
    124,345.68x = 12,158,490,300.34
  5. Step 5: Solve for x
    x = 12,158,490,300.34/124,345.68
  6. Step 6: Final answer
    x = 97,779.76

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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.