Home / 187,156.04-258,321.23-106,631.04

Finding the Fourth Proportional to 187,156.04, 258,321.23 and 106,631.04

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Solution

The fourth proportional to 187,156.04, 258,321.23 and 106,631.04 is: 147,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,156.04 : 258,321.23 = 106,631.04 : x
  2. Step 2: Convert to fraction form
    187,156.04/258,321.23 = 106,631.04/x
  3. Step 3: Cross multiply
    187,156.04x = 258,321.23 × 106,631.04
  4. Step 4: Simplify right side
    187,156.04x = 27,545,060,875.82
  5. Step 5: Solve for x
    x = 27,545,060,875.82/187,156.04
  6. Step 6: Final answer
    x = 147,176.98

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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.