Home / 191,229.46-286,862.79-69,683.02

Finding the Fourth Proportional to 191,229.46, 286,862.79 and 69,683.02

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Solution

The fourth proportional to 191,229.46, 286,862.79 and 69,683.02 is: 104,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,229.46 : 286,862.79 = 69,683.02 : x
  2. Step 2: Convert to fraction form
    191,229.46/286,862.79 = 69,683.02/x
  3. Step 3: Cross multiply
    191,229.46x = 286,862.79 × 69,683.02
  4. Step 4: Simplify right side
    191,229.46x = 19,989,465,532.83
  5. Step 5: Solve for x
    x = 19,989,465,532.83/191,229.46
  6. Step 6: Final answer
    x = 104,531.31

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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.