Home / 139,758.48-192,864.24-76,095.18

Finding the Fourth Proportional to 139,758.48, 192,864.24 and 76,095.18

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Solution

The fourth proportional to 139,758.48, 192,864.24 and 76,095.18 is: 105,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,758.48 : 192,864.24 = 76,095.18 : x
  2. Step 2: Convert to fraction form
    139,758.48/192,864.24 = 76,095.18/x
  3. Step 3: Cross multiply
    139,758.48x = 192,864.24 × 76,095.18
  4. Step 4: Simplify right side
    139,758.48x = 14,676,039,058.36
  5. Step 5: Solve for x
    x = 14,676,039,058.36/139,758.48
  6. Step 6: Final answer
    x = 105,010.01

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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.