Home / 179,215.74-247,315.75-98,641.53

Finding the Fourth Proportional to 179,215.74, 247,315.75 and 98,641.53

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Solution

The fourth proportional to 179,215.74, 247,315.75 and 98,641.53 is: 136,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,215.74 : 247,315.75 = 98,641.53 : x
  2. Step 2: Convert to fraction form
    179,215.74/247,315.75 = 98,641.53/x
  3. Step 3: Cross multiply
    179,215.74x = 247,315.75 × 98,641.53
  4. Step 4: Simplify right side
    179,215.74x = 24,395,603,726.49
  5. Step 5: Solve for x
    x = 24,395,603,726.49/179,215.74
  6. Step 6: Final answer
    x = 136,124.23

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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.