Home / 242,338.32-334,430.16-133,455.60

Finding the Fourth Proportional to 242,338.32, 334,430.16 and 133,455.60

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Solution

The fourth proportional to 242,338.32, 334,430.16 and 133,455.60 is: 184,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,338.32 : 334,430.16 = 133,455.60 : x
  2. Step 2: Convert to fraction form
    242,338.32/334,430.16 = 133,455.60/x
  3. Step 3: Cross multiply
    242,338.32x = 334,430.16 × 133,455.60
  4. Step 4: Simplify right side
    242,338.32x = 44,631,577,660.90
  5. Step 5: Solve for x
    x = 44,631,577,660.90/242,338.32
  6. Step 6: Final answer
    x = 184,170.53

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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.