Home / 151,853.32-209,486.58-98,155.40

Finding the Fourth Proportional to 151,853.32, 209,486.58 and 98,155.40

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Solution

The fourth proportional to 151,853.32, 209,486.58 and 98,155.40 is: 135,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,853.32 : 209,486.58 = 98,155.40 : x
  2. Step 2: Convert to fraction form
    151,853.32/209,486.58 = 98,155.40/x
  3. Step 3: Cross multiply
    151,853.32x = 209,486.58 × 98,155.40
  4. Step 4: Simplify right side
    151,853.32x = 20,562,239,054.53
  5. Step 5: Solve for x
    x = 20,562,239,054.53/151,853.32
  6. Step 6: Final answer
    x = 135,408.56

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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.