Home / 176,200.49-243,156.57-99,718.19

Finding the Fourth Proportional to 176,200.49, 243,156.57 and 99,718.19

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Solution

The fourth proportional to 176,200.49, 243,156.57 and 99,718.19 is: 137,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,200.49 : 243,156.57 = 99,718.19 : x
  2. Step 2: Convert to fraction form
    176,200.49/243,156.57 = 99,718.19/x
  3. Step 3: Cross multiply
    176,200.49x = 243,156.57 × 99,718.19
  4. Step 4: Simplify right side
    176,200.49x = 24,247,131,831.23
  5. Step 5: Solve for x
    x = 24,247,131,831.23/176,200.49
  6. Step 6: Final answer
    x = 137,611.04

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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.