Home / 188,444.52-260,055.09-102,403.53

Finding the Fourth Proportional to 188,444.52, 260,055.09 and 102,403.53

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Solution

The fourth proportional to 188,444.52, 260,055.09 and 102,403.53 is: 141,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,444.52 : 260,055.09 = 102,403.53 : x
  2. Step 2: Convert to fraction form
    188,444.52/260,055.09 = 102,403.53/x
  3. Step 3: Cross multiply
    188,444.52x = 260,055.09 × 102,403.53
  4. Step 4: Simplify right side
    188,444.52x = 26,630,559,210.47
  5. Step 5: Solve for x
    x = 26,630,559,210.47/188,444.52
  6. Step 6: Final answer
    x = 141,317.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.