Home / 380,328.26-570,582.40-124,159.48

Finding the Fourth Proportional to 380,328.26, 570,582.40 and 124,159.48

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Solution

The fourth proportional to 380,328.26, 570,582.40 and 124,159.48 is: 186,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,328.26 : 570,582.40 = 124,159.48 : x
  2. Step 2: Convert to fraction form
    380,328.26/570,582.40 = 124,159.48/x
  3. Step 3: Cross multiply
    380,328.26x = 570,582.40 × 124,159.48
  4. Step 4: Simplify right side
    380,328.26x = 70,843,214,081.15
  5. Step 5: Solve for x
    x = 70,843,214,081.15/380,328.26
  6. Step 6: Final answer
    x = 186,268.60

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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.