Home / 158,638.23-218,955.96-124,114.86

Finding the Fourth Proportional to 158,638.23, 218,955.96 and 124,114.86

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Solution

The fourth proportional to 158,638.23, 218,955.96 and 124,114.86 is: 171,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,638.23 : 218,955.96 = 124,114.86 : x
  2. Step 2: Convert to fraction form
    158,638.23/218,955.96 = 124,114.86/x
  3. Step 3: Cross multiply
    158,638.23x = 218,955.96 × 124,114.86
  4. Step 4: Simplify right side
    158,638.23x = 27,175,688,321.57
  5. Step 5: Solve for x
    x = 27,175,688,321.57/158,638.23
  6. Step 6: Final answer
    x = 171,306.05

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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.