Home / 187,354.18-258,533.07-105,677.92

Finding the Fourth Proportional to 187,354.18, 258,533.07 and 105,677.92

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Solution

The fourth proportional to 187,354.18, 258,533.07 and 105,677.92 is: 145,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,354.18 : 258,533.07 = 105,677.92 : x
  2. Step 2: Convert to fraction form
    187,354.18/258,533.07 = 105,677.92/x
  3. Step 3: Cross multiply
    187,354.18x = 258,533.07 × 105,677.92
  4. Step 4: Simplify right side
    187,354.18x = 27,321,237,088.81
  5. Step 5: Solve for x
    x = 27,321,237,088.81/187,354.18
  6. Step 6: Final answer
    x = 145,826.67

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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.