Home / 153,066.52-211,235.70-84,155.14

Finding the Fourth Proportional to 153,066.52, 211,235.70 and 84,155.14

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Solution

The fourth proportional to 153,066.52, 211,235.70 and 84,155.14 is: 116,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,066.52 : 211,235.70 = 84,155.14 : x
  2. Step 2: Convert to fraction form
    153,066.52/211,235.70 = 84,155.14/x
  3. Step 3: Cross multiply
    153,066.52x = 211,235.70 × 84,155.14
  4. Step 4: Simplify right side
    153,066.52x = 17,776,569,906.50
  5. Step 5: Solve for x
    x = 17,776,569,906.50/153,066.52
  6. Step 6: Final answer
    x = 116,136.24

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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.