Home / 156,054.06-215,353.06-84,432.51

Finding the Fourth Proportional to 156,054.06, 215,353.06 and 84,432.51

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Solution

The fourth proportional to 156,054.06, 215,353.06 and 84,432.51 is: 116,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,054.06 : 215,353.06 = 84,432.51 : x
  2. Step 2: Convert to fraction form
    156,054.06/215,353.06 = 84,432.51/x
  3. Step 3: Cross multiply
    156,054.06x = 215,353.06 × 84,432.51
  4. Step 4: Simplify right side
    156,054.06x = 18,182,799,391.98
  5. Step 5: Solve for x
    x = 18,182,799,391.98/156,054.06
  6. Step 6: Final answer
    x = 116,516.03

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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.