Home / 106,029.86-146,184.77-86,838.93

Finding the Fourth Proportional to 106,029.86, 146,184.77 and 86,838.93

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Solution

The fourth proportional to 106,029.86, 146,184.77 and 86,838.93 is: 119,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,029.86 : 146,184.77 = 86,838.93 : x
  2. Step 2: Convert to fraction form
    106,029.86/146,184.77 = 86,838.93/x
  3. Step 3: Cross multiply
    106,029.86x = 146,184.77 × 86,838.93
  4. Step 4: Simplify right side
    106,029.86x = 12,694,528,574.90
  5. Step 5: Solve for x
    x = 12,694,528,574.90/106,029.86
  6. Step 6: Final answer
    x = 119,725.98

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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.