Home / 180,223.75-248,672.79-99,635.70

Finding the Fourth Proportional to 180,223.75, 248,672.79 and 99,635.70

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Solution

The fourth proportional to 180,223.75, 248,672.79 and 99,635.70 is: 137,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,223.75 : 248,672.79 = 99,635.70 : x
  2. Step 2: Convert to fraction form
    180,223.75/248,672.79 = 99,635.70/x
  3. Step 3: Cross multiply
    180,223.75x = 248,672.79 × 99,635.70
  4. Step 4: Simplify right side
    180,223.75x = 24,776,688,925.08
  5. Step 5: Solve for x
    x = 24,776,688,925.08/180,223.75
  6. Step 6: Final answer
    x = 137,477.38

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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.