Home / 122,908.47-184,362.71-70,281.06

Finding the Fourth Proportional to 122,908.47, 184,362.71 and 70,281.06

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Solution

The fourth proportional to 122,908.47, 184,362.71 and 70,281.06 is: 105,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908.47 : 184,362.71 = 70,281.06 : x
  2. Step 2: Convert to fraction form
    122,908.47/184,362.71 = 70,281.06/x
  3. Step 3: Cross multiply
    122,908.47x = 184,362.71 × 70,281.06
  4. Step 4: Simplify right side
    122,908.47x = 12,957,206,683.27
  5. Step 5: Solve for x
    x = 12,957,206,683.27/122,908.47
  6. Step 6: Final answer
    x = 105,421.59

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1.5x scale

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.