Home / 157,317.60-235,976.40-46,509.60

Finding the Fourth Proportional to 157,317.60, 235,976.40 and 46,509.60

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Solution

The fourth proportional to 157,317.60, 235,976.40 and 46,509.60 is: 69,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,317.60 : 235,976.40 = 46,509.60 : x
  2. Step 2: Convert to fraction form
    157,317.60/235,976.40 = 46,509.60/x
  3. Step 3: Cross multiply
    157,317.60x = 235,976.40 × 46,509.60
  4. Step 4: Simplify right side
    157,317.60x = 10,975,167,973.44
  5. Step 5: Solve for x
    x = 10,975,167,973.44/157,317.60
  6. Step 6: Final answer
    x = 69,764.40

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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.