Home / 122,382.60-183,398.93-69,683.19

Finding the Fourth Proportional to 122,382.60, 183,398.93 and 69,683.19

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Solution

The fourth proportional to 122,382.60, 183,398.93 and 69,683.19 is: 104,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,382.60 : 183,398.93 = 69,683.19 : x
  2. Step 2: Convert to fraction form
    122,382.60/183,398.93 = 69,683.19/x
  3. Step 3: Cross multiply
    122,382.60x = 183,398.93 × 69,683.19
  4. Step 4: Simplify right side
    122,382.60x = 12,779,822,102.10
  5. Step 5: Solve for x
    x = 12,779,822,102.10/122,382.60
  6. Step 6: Final answer
    x = 104,425.16

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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.