Home / 105,130.04-157,601.27-38,554.61

Finding the Fourth Proportional to 105,130.04, 157,601.27 and 38,554.61

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Solution

The fourth proportional to 105,130.04, 157,601.27 and 38,554.61 is: 57,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,130.04 : 157,601.27 = 38,554.61 : x
  2. Step 2: Convert to fraction form
    105,130.04/157,601.27 = 38,554.61/x
  3. Step 3: Cross multiply
    105,130.04x = 157,601.27 × 38,554.61
  4. Step 4: Simplify right side
    105,130.04x = 6,076,254,519.58
  5. Step 5: Solve for x
    x = 6,076,254,519.58/105,130.04
  6. Step 6: Final answer
    x = 57,797.51

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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.