Home / 105,970.80-146,240.10-58,225.08

Finding the Fourth Proportional to 105,970.80, 146,240.10 and 58,225.08

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Solution

The fourth proportional to 105,970.80, 146,240.10 and 58,225.08 is: 80,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,970.80 : 146,240.10 = 58,225.08 : x
  2. Step 2: Convert to fraction form
    105,970.80/146,240.10 = 58,225.08/x
  3. Step 3: Cross multiply
    105,970.80x = 146,240.10 × 58,225.08
  4. Step 4: Simplify right side
    105,970.80x = 8,514,841,521.71
  5. Step 5: Solve for x
    x = 8,514,841,521.71/105,970.80
  6. Step 6: Final answer
    x = 80,350.83

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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.