Home / 191,625.48-287,440.02-66,966.84

Finding the Fourth Proportional to 191,625.48, 287,440.02 and 66,966.84

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Solution

The fourth proportional to 191,625.48, 287,440.02 and 66,966.84 is: 100,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,625.48 : 287,440.02 = 66,966.84 : x
  2. Step 2: Convert to fraction form
    191,625.48/287,440.02 = 66,966.84/x
  3. Step 3: Cross multiply
    191,625.48x = 287,440.02 × 66,966.84
  4. Step 4: Simplify right side
    191,625.48x = 19,248,949,828.94
  5. Step 5: Solve for x
    x = 19,248,949,828.94/191,625.48
  6. Step 6: Final answer
    x = 100,450.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.