Home / 153,773.48-212,171.18-93,342.62

Finding the Fourth Proportional to 153,773.48, 212,171.18 and 93,342.62

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Solution

The fourth proportional to 153,773.48, 212,171.18 and 93,342.62 is: 128,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,773.48 : 212,171.18 = 93,342.62 : x
  2. Step 2: Convert to fraction form
    153,773.48/212,171.18 = 93,342.62/x
  3. Step 3: Cross multiply
    153,773.48x = 212,171.18 × 93,342.62
  4. Step 4: Simplify right side
    153,773.48x = 19,804,613,829.69
  5. Step 5: Solve for x
    x = 19,804,613,829.69/153,773.48
  6. Step 6: Final answer
    x = 128,790.83

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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.