Home / 191,748.31-265,090.94-143,918.62

Finding the Fourth Proportional to 191,748.31, 265,090.94 and 143,918.62

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Solution

The fourth proportional to 191,748.31, 265,090.94 and 143,918.62 is: 198,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,748.31 : 265,090.94 = 143,918.62 : x
  2. Step 2: Convert to fraction form
    191,748.31/265,090.94 = 143,918.62/x
  3. Step 3: Cross multiply
    191,748.31x = 265,090.94 × 143,918.62
  4. Step 4: Simplify right side
    191,748.31x = 38,151,521,539.71
  5. Step 5: Solve for x
    x = 38,151,521,539.71/191,748.31
  6. Step 6: Final answer
    x = 198,966.66

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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.