Home / 122,510.08-169,061.76-68,795.52

Finding the Fourth Proportional to 122,510.08, 169,061.76 and 68,795.52

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Solution

The fourth proportional to 122,510.08, 169,061.76 and 68,795.52 is: 94,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510.08 : 169,061.76 = 68,795.52 : x
  2. Step 2: Convert to fraction form
    122,510.08/169,061.76 = 68,795.52/x
  3. Step 3: Cross multiply
    122,510.08x = 169,061.76 × 68,795.52
  4. Step 4: Simplify right side
    122,510.08x = 11,630,691,691.32
  5. Step 5: Solve for x
    x = 11,630,691,691.32/122,510.08
  6. Step 6: Final answer
    x = 94,936.61

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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.