Home / 158,909.89-238,240.22-74,626.68

Finding the Fourth Proportional to 158,909.89, 238,240.22 and 74,626.68

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Solution

The fourth proportional to 158,909.89, 238,240.22 and 74,626.68 is: 111,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,909.89 : 238,240.22 = 74,626.68 : x
  2. Step 2: Convert to fraction form
    158,909.89/238,240.22 = 74,626.68/x
  3. Step 3: Cross multiply
    158,909.89x = 238,240.22 × 74,626.68
  4. Step 4: Simplify right side
    158,909.89x = 17,779,076,661.07
  5. Step 5: Solve for x
    x = 17,779,076,661.07/158,909.89
  6. Step 6: Final answer
    x = 111,881.50

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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.