Home / 153,214.16-211,440.60-92,796.08

Finding the Fourth Proportional to 153,214.16, 211,440.60 and 92,796.08

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Solution

The fourth proportional to 153,214.16, 211,440.60 and 92,796.08 is: 128,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,214.16 : 211,440.60 = 92,796.08 : x
  2. Step 2: Convert to fraction form
    153,214.16/211,440.60 = 92,796.08/x
  3. Step 3: Cross multiply
    153,214.16x = 211,440.60 × 92,796.08
  4. Step 4: Simplify right side
    153,214.16x = 19,620,858,832.85
  5. Step 5: Solve for x
    x = 19,620,858,832.85/153,214.16
  6. Step 6: Final answer
    x = 128,061.65

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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.